201482380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12899}}^1$

素因数の和:12990

約数の個数: 48

約数和(自身を含む): 468115200

約数和(自身を除く): 266632820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 12899, 15620, 25798, 51596, 64495, 128990, 141889, 257980, 283778, 567556, 709445, 915829, 1418890, 1831658, 2837780, 3663316, 4579145, 9158290, 10074119, 18316580, 20148238, 40296476, 50370595, 100741190, 201482380]

約数ペア:

[(1, 201482380), (2, 100741190), (4, 50370595), (5, 40296476), (10, 20148238), (11, 18316580), (20, 10074119), (22, 9158290), (44, 4579145), (55, 3663316), (71, 2837780), (110, 1831658), (142, 1418890), (220, 915829), (284, 709445), (355, 567556), (710, 283778), (781, 257980), (1420, 141889), (1562, 128990), (3124, 64495), (3905, 51596), (7810, 25798), (12899, 15620)]