8717200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 23371520

約数和(自身を除く): 14654320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 37, 38, 40, 50, 62, 74, 76, 80, 95, 100, 124, 148, 152, 155, 185, 190, 200, 248, 296, 304, 310, 370, 380, 400, 475, 496, 589, 592, 620, 703, 740, 760, 775, 925, 950, 1147, 1178, 1240, 1406, 1480, 1520, 1550, 1850, 1900, 2294, 2356, 2480, 2812, 2945, 2960, 3100, 3515, 3700, 3800, 4588, 4712, 5624, 5735, 5890, 6200, 7030, 7400, 7600, 9176, 9424, 11248, 11470, 11780, 12400, 14060, 14725, 14800, 17575, 18352, 21793, 22940, 23560, 28120, 28675, 29450, 35150, 43586, 45880, 47120, 56240, 57350, 58900, 70300, 87172, 91760, 108965, 114700, 117800, 140600, 174344, 217930, 229400, 235600, 281200, 348688, 435860, 458800, 544825, 871720, 1089650, 1743440, 2179300, 4358600, 8717200]

約数ペア:

[(1, 8717200), (2, 4358600), (4, 2179300), (5, 1743440), (8, 1089650), (10, 871720), (16, 544825), (19, 458800), (20, 435860), (25, 348688), (31, 281200), (37, 235600), (38, 229400), (40, 217930), (50, 174344), (62, 140600), (74, 117800), (76, 114700), (80, 108965), (95, 91760), (100, 87172), (124, 70300), (148, 58900), (152, 57350), (155, 56240), (185, 47120), (190, 45880), (200, 43586), (248, 35150), (296, 29450), (304, 28675), (310, 28120), (370, 23560), (380, 22940), (400, 21793), (475, 18352), (496, 17575), (589, 14800), (592, 14725), (620, 14060), (703, 12400), (740, 11780), (760, 11470), (775, 11248), (925, 9424), (950, 9176), (1147, 7600), (1178, 7400), (1240, 7030), (1406, 6200), (1480, 5890), (1520, 5735), (1550, 5624), (1850, 4712), (1900, 4588), (2294, 3800), (2356, 3700), (2480, 3515), (2812, 3100), (2945, 2960)]