97720990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 195747840

約数和(自身を除く): 98026850

約数列:

[1, 2, 5, 10, 19, 31, 38, 47, 62, 94, 95, 155, 190, 235, 310, 353, 470, 589, 706, 893, 1178, 1457, 1765, 1786, 2914, 2945, 3530, 4465, 5890, 6707, 7285, 8930, 10943, 13414, 14570, 16591, 21886, 27683, 33182, 33535, 54715, 55366, 67070, 82955, 109430, 138415, 165910, 207917, 276830, 315229, 415834, 514321, 630458, 1028642, 1039585, 1576145, 2079170, 2571605, 3152290, 5143210, 9772099, 19544198, 48860495, 97720990]

約数ペア:

[(1, 97720990), (2, 48860495), (5, 19544198), (10, 9772099), (19, 5143210), (31, 3152290), (38, 2571605), (47, 2079170), (62, 1576145), (94, 1039585), (95, 1028642), (155, 630458), (190, 514321), (235, 415834), (310, 315229), (353, 276830), (470, 207917), (589, 165910), (706, 138415), (893, 109430), (1178, 82955), (1457, 67070), (1765, 55366), (1786, 54715), (2914, 33535), (2945, 33182), (3530, 27683), (4465, 21886), (5890, 16591), (6707, 14570), (7285, 13414), (8930, 10943)]