201220132780

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5743}}^1\times {\mathrm{9787}}^1$

素因数の和:15718

約数の個数: 48

約数和(自身を含む): 425040376320

約数和(自身を除く): 223820243540

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5743, 9787, 11486, 19574, 22972, 28715, 39148, 48935, 57430, 97870, 114860, 195740, 1027997, 1751873, 2055994, 3503746, 4111988, 5139985, 7007492, 8759365, 10279970, 17518730, 20559940, 35037460, 56206741, 112413482, 224826964, 281033705, 562067410, 1124134820, 10061006639, 20122013278, 40244026556, 50305033195, 100610066390, 201220132780]

約数ペア:

[(1, 201220132780), (2, 100610066390), (4, 50305033195), (5, 40244026556), (10, 20122013278), (20, 10061006639), (179, 1124134820), (358, 562067410), (716, 281033705), (895, 224826964), (1790, 112413482), (3580, 56206741), (5743, 35037460), (9787, 20559940), (11486, 17518730), (19574, 10279970), (22972, 8759365), (28715, 7007492), (39148, 5139985), (48935, 4111988), (57430, 3503746), (97870, 2055994), (114860, 1751873), (195740, 1027997)]