328673780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27901}}^1$

素因数の和:27960

約数の個数: 48

約数和(自身を含む): 750005760

約数和(自身を除く): 421331980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 27901, 55802, 111604, 139505, 279010, 530119, 558020, 864931, 1060238, 1729862, 2120476, 2650595, 3459724, 4324655, 5301190, 8649310, 10602380, 16433689, 17298620, 32867378, 65734756, 82168445, 164336890, 328673780]

約数ペア:

[(1, 328673780), (2, 164336890), (4, 82168445), (5, 65734756), (10, 32867378), (19, 17298620), (20, 16433689), (31, 10602380), (38, 8649310), (62, 5301190), (76, 4324655), (95, 3459724), (124, 2650595), (155, 2120476), (190, 1729862), (310, 1060238), (380, 864931), (589, 558020), (620, 530119), (1178, 279010), (2356, 139505), (2945, 111604), (5890, 55802), (11780, 27901)]