201988250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 397163520

約数和(自身を除く): 195175270

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 67, 125, 134, 155, 250, 310, 335, 389, 670, 775, 778, 1550, 1675, 1945, 2077, 3350, 3875, 3890, 4154, 7750, 8375, 9725, 10385, 12059, 16750, 19450, 20770, 24118, 26063, 48625, 51925, 52126, 60295, 97250, 103850, 120590, 130315, 259625, 260630, 301475, 519250, 602950, 651575, 807953, 1303150, 1507375, 1615906, 3014750, 3257875, 4039765, 6515750, 8079530, 20198825, 40397650, 100994125, 201988250]

約数ペア:

[(1, 201988250), (2, 100994125), (5, 40397650), (10, 20198825), (25, 8079530), (31, 6515750), (50, 4039765), (62, 3257875), (67, 3014750), (125, 1615906), (134, 1507375), (155, 1303150), (250, 807953), (310, 651575), (335, 602950), (389, 519250), (670, 301475), (775, 260630), (778, 259625), (1550, 130315), (1675, 120590), (1945, 103850), (2077, 97250), (3350, 60295), (3875, 52126), (3890, 51925), (4154, 48625), (7750, 26063), (8375, 24118), (9725, 20770), (10385, 19450), (12059, 16750)]