28691100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 108

約数和(自身を含む): 91400400

約数和(自身を除く): 62709300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 213, 225, 284, 300, 355, 426, 449, 450, 639, 710, 852, 898, 900, 1065, 1278, 1347, 1420, 1775, 1796, 2130, 2245, 2556, 2694, 3195, 3550, 4041, 4260, 4490, 5325, 5388, 6390, 6735, 7100, 8082, 8980, 10650, 11225, 12780, 13470, 15975, 16164, 20205, 21300, 22450, 26940, 31879, 31950, 33675, 40410, 44900, 63758, 63900, 67350, 80820, 95637, 101025, 127516, 134700, 159395, 191274, 202050, 286911, 318790, 382548, 404100, 478185, 573822, 637580, 796975, 956370, 1147644, 1434555, 1593950, 1912740, 2390925, 2869110, 3187900, 4781850, 5738220, 7172775, 9563700, 14345550, 28691100]

約数ペア:

[(1, 28691100), (2, 14345550), (3, 9563700), (4, 7172775), (5, 5738220), (6, 4781850), (9, 3187900), (10, 2869110), (12, 2390925), (15, 1912740), (18, 1593950), (20, 1434555), (25, 1147644), (30, 956370), (36, 796975), (45, 637580), (50, 573822), (60, 478185), (71, 404100), (75, 382548), (90, 318790), (100, 286911), (142, 202050), (150, 191274), (180, 159395), (213, 134700), (225, 127516), (284, 101025), (300, 95637), (355, 80820), (426, 67350), (449, 63900), (450, 63758), (639, 44900), (710, 40410), (852, 33675), (898, 31950), (900, 31879), (1065, 26940), (1278, 22450), (1347, 21300), (1420, 20205), (1775, 16164), (1796, 15975), (2130, 13470), (2245, 12780), (2556, 11225), (2694, 10650), (3195, 8980), (3550, 8082), (4041, 7100), (4260, 6735), (4490, 6390), (5325, 5388)]