19402800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 70114560

約数和(自身を除く): 50711760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 25, 30, 37, 38, 40, 46, 48, 50, 57, 60, 69, 74, 75, 76, 80, 92, 95, 100, 111, 114, 115, 120, 138, 148, 150, 152, 184, 185, 190, 200, 222, 228, 230, 240, 276, 285, 296, 300, 304, 345, 368, 370, 380, 400, 437, 444, 456, 460, 475, 552, 555, 570, 575, 592, 600, 690, 703, 740, 760, 851, 874, 888, 912, 920, 925, 950, 1104, 1110, 1140, 1150, 1200, 1311, 1380, 1406, 1425, 1480, 1520, 1702, 1725, 1748, 1776, 1840, 1850, 1900, 2109, 2185, 2220, 2280, 2300, 2553, 2622, 2760, 2775, 2812, 2850, 2960, 3404, 3450, 3496, 3515, 3700, 3800, 4218, 4255, 4370, 4440, 4560, 4600, 5106, 5244, 5520, 5550, 5624, 5700, 6555, 6808, 6900, 6992, 7030, 7400, 7600, 8436, 8510, 8740, 8880, 9200, 10212, 10488, 10545, 10925, 11100, 11248, 11400, 12765, 13110, 13616, 13800, 14060, 14800, 16169, 16872, 17020, 17480, 17575, 20424, 20976, 21090, 21275, 21850, 22200, 22800, 25530, 26220, 27600, 28120, 32338, 32775, 33744, 34040, 34960, 35150, 40848, 42180, 42550, 43700, 44400, 48507, 51060, 52440, 52725, 56240, 63825, 64676, 65550, 68080, 70300, 80845, 84360, 85100, 87400, 97014, 102120, 104880, 105450, 127650, 129352, 131100, 140600, 161690, 168720, 170200, 174800, 194028, 204240, 210900, 242535, 255300, 258704, 262200, 281200, 323380, 340400, 388056, 404225, 421800, 485070, 510600, 524400, 646760, 776112, 808450, 843600, 970140, 1021200, 1212675, 1293520, 1616900, 1940280, 2425350, 3233800, 3880560, 4850700, 6467600, 9701400, 19402800]

約数ペア:

[(1, 19402800), (2, 9701400), (3, 6467600), (4, 4850700), (5, 3880560), (6, 3233800), (8, 2425350), (10, 1940280), (12, 1616900), (15, 1293520), (16, 1212675), (19, 1021200), (20, 970140), (23, 843600), (24, 808450), (25, 776112), (30, 646760), (37, 524400), (38, 510600), (40, 485070), (46, 421800), (48, 404225), (50, 388056), (57, 340400), (60, 323380), (69, 281200), (74, 262200), (75, 258704), (76, 255300), (80, 242535), (92, 210900), (95, 204240), (100, 194028), (111, 174800), (114, 170200), (115, 168720), (120, 161690), (138, 140600), (148, 131100), (150, 129352), (152, 127650), (184, 105450), (185, 104880), (190, 102120), (200, 97014), (222, 87400), (228, 85100), (230, 84360), (240, 80845), (276, 70300), (285, 68080), (296, 65550), (300, 64676), (304, 63825), (345, 56240), (368, 52725), (370, 52440), (380, 51060), (400, 48507), (437, 44400), (444, 43700), (456, 42550), (460, 42180), (475, 40848), (552, 35150), (555, 34960), (570, 34040), (575, 33744), (592, 32775), (600, 32338), (690, 28120), (703, 27600), (740, 26220), (760, 25530), (851, 22800), (874, 22200), (888, 21850), (912, 21275), (920, 21090), (925, 20976), (950, 20424), (1104, 17575), (1110, 17480), (1140, 17020), (1150, 16872), (1200, 16169), (1311, 14800), (1380, 14060), (1406, 13800), (1425, 13616), (1480, 13110), (1520, 12765), (1702, 11400), (1725, 11248), (1748, 11100), (1776, 10925), (1840, 10545), (1850, 10488), (1900, 10212), (2109, 9200), (2185, 8880), (2220, 8740), (2280, 8510), (2300, 8436), (2553, 7600), (2622, 7400), (2760, 7030), (2775, 6992), (2812, 6900), (2850, 6808), (2960, 6555), (3404, 5700), (3450, 5624), (3496, 5550), (3515, 5520), (3700, 5244), (3800, 5106), (4218, 4600), (4255, 4560), (4370, 4440)]