82040100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 257275200

約数和(自身を除く): 175235100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 37, 38, 50, 57, 60, 74, 75, 76, 95, 100, 111, 114, 148, 150, 185, 190, 222, 228, 285, 300, 370, 380, 389, 444, 475, 555, 570, 703, 740, 778, 925, 950, 1110, 1140, 1167, 1406, 1425, 1556, 1850, 1900, 1945, 2109, 2220, 2334, 2775, 2812, 2850, 3515, 3700, 3890, 4218, 4668, 5550, 5700, 5835, 7030, 7391, 7780, 8436, 9725, 10545, 11100, 11670, 14060, 14393, 14782, 17575, 19450, 21090, 22173, 23340, 28786, 29175, 29564, 35150, 36955, 38900, 42180, 43179, 44346, 52725, 57572, 58350, 70300, 71965, 73910, 86358, 88692, 105450, 110865, 116700, 143930, 147820, 172716, 184775, 210900, 215895, 221730, 273467, 287860, 359825, 369550, 431790, 443460, 546934, 554325, 719650, 739100, 820401, 863580, 1079475, 1093868, 1108650, 1367335, 1439300, 1640802, 2158950, 2217300, 2734670, 3281604, 4102005, 4317900, 5469340, 6836675, 8204010, 13673350, 16408020, 20510025, 27346700, 41020050, 82040100]

約数ペア:

[(1, 82040100), (2, 41020050), (3, 27346700), (4, 20510025), (5, 16408020), (6, 13673350), (10, 8204010), (12, 6836675), (15, 5469340), (19, 4317900), (20, 4102005), (25, 3281604), (30, 2734670), (37, 2217300), (38, 2158950), (50, 1640802), (57, 1439300), (60, 1367335), (74, 1108650), (75, 1093868), (76, 1079475), (95, 863580), (100, 820401), (111, 739100), (114, 719650), (148, 554325), (150, 546934), (185, 443460), (190, 431790), (222, 369550), (228, 359825), (285, 287860), (300, 273467), (370, 221730), (380, 215895), (389, 210900), (444, 184775), (475, 172716), (555, 147820), (570, 143930), (703, 116700), (740, 110865), (778, 105450), (925, 88692), (950, 86358), (1110, 73910), (1140, 71965), (1167, 70300), (1406, 58350), (1425, 57572), (1556, 52725), (1850, 44346), (1900, 43179), (1945, 42180), (2109, 38900), (2220, 36955), (2334, 35150), (2775, 29564), (2812, 29175), (2850, 28786), (3515, 23340), (3700, 22173), (3890, 21090), (4218, 19450), (4668, 17575), (5550, 14782), (5700, 14393), (5835, 14060), (7030, 11670), (7391, 11100), (7780, 10545), (8436, 9725)]