201346400

素因数分解:

$2^5\times 5^2\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1056

約数の個数: 72

約数和(自身を含む): 493562160

約数和(自身を除く): 292215760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 389, 400, 647, 778, 800, 1294, 1556, 1945, 2588, 3112, 3235, 3890, 5176, 6224, 6470, 7780, 9725, 10352, 12448, 12940, 15560, 16175, 19450, 20704, 25880, 31120, 32350, 38900, 51760, 62240, 64700, 77800, 103520, 129400, 155600, 251683, 258800, 311200, 503366, 517600, 1006732, 1258415, 2013464, 2516830, 4026928, 5033660, 6292075, 8053856, 10067320, 12584150, 20134640, 25168300, 40269280, 50336600, 100673200, 201346400]

約数ペア:

[(1, 201346400), (2, 100673200), (4, 50336600), (5, 40269280), (8, 25168300), (10, 20134640), (16, 12584150), (20, 10067320), (25, 8053856), (32, 6292075), (40, 5033660), (50, 4026928), (80, 2516830), (100, 2013464), (160, 1258415), (200, 1006732), (389, 517600), (400, 503366), (647, 311200), (778, 258800), (800, 251683), (1294, 155600), (1556, 129400), (1945, 103520), (2588, 77800), (3112, 64700), (3235, 62240), (3890, 51760), (5176, 38900), (6224, 32350), (6470, 31120), (7780, 25880), (9725, 20704), (10352, 19450), (12448, 16175), (12940, 15560)]