201784250

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 391311648

約数和(自身を除く): 189527398

約数列:

[1, 2, 5, 10, 25, 50, 53, 97, 106, 125, 157, 194, 250, 265, 314, 485, 530, 785, 970, 1325, 1570, 2425, 2650, 3925, 4850, 5141, 6625, 7850, 8321, 10282, 12125, 13250, 15229, 16642, 19625, 24250, 25705, 30458, 39250, 41605, 51410, 76145, 83210, 128525, 152290, 208025, 257050, 380725, 416050, 642625, 761450, 807137, 1040125, 1285250, 1614274, 1903625, 2080250, 3807250, 4035685, 8071370, 20178425, 40356850, 100892125, 201784250]

約数ペア:

[(1, 201784250), (2, 100892125), (5, 40356850), (10, 20178425), (25, 8071370), (50, 4035685), (53, 3807250), (97, 2080250), (106, 1903625), (125, 1614274), (157, 1285250), (194, 1040125), (250, 807137), (265, 761450), (314, 642625), (485, 416050), (530, 380725), (785, 257050), (970, 208025), (1325, 152290), (1570, 128525), (2425, 83210), (2650, 76145), (3925, 51410), (4850, 41605), (5141, 39250), (6625, 30458), (7850, 25705), (8321, 24250), (10282, 19625), (12125, 16642), (13250, 15229)]