201390400

素因数分解:

$2^6\times 5^2\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:872

約数の個数: 84

約数和(自身を含む): 498896640

約数和(自身を除く): 297506240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 191, 200, 320, 382, 400, 659, 764, 800, 955, 1318, 1528, 1600, 1910, 2636, 3056, 3295, 3820, 4775, 5272, 6112, 6590, 7640, 9550, 10544, 12224, 13180, 15280, 16475, 19100, 21088, 26360, 30560, 32950, 38200, 42176, 52720, 61120, 65900, 76400, 105440, 125869, 131800, 152800, 210880, 251738, 263600, 305600, 503476, 527200, 629345, 1006952, 1054400, 1258690, 2013904, 2517380, 3146725, 4027808, 5034760, 6293450, 8055616, 10069520, 12586900, 20139040, 25173800, 40278080, 50347600, 100695200, 201390400]

約数ペア:

[(1, 201390400), (2, 100695200), (4, 50347600), (5, 40278080), (8, 25173800), (10, 20139040), (16, 12586900), (20, 10069520), (25, 8055616), (32, 6293450), (40, 5034760), (50, 4027808), (64, 3146725), (80, 2517380), (100, 2013904), (160, 1258690), (191, 1054400), (200, 1006952), (320, 629345), (382, 527200), (400, 503476), (659, 305600), (764, 263600), (800, 251738), (955, 210880), (1318, 152800), (1528, 131800), (1600, 125869), (1910, 105440), (2636, 76400), (3056, 65900), (3295, 61120), (3820, 52720), (4775, 42176), (5272, 38200), (6112, 32950), (6590, 30560), (7640, 26360), (9550, 21088), (10544, 19100), (12224, 16475), (13180, 15280)]