391296260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 909619200

約数和(自身を除く): 518322940

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 59, 62, 76, 95, 118, 124, 155, 190, 236, 295, 310, 380, 563, 589, 590, 620, 1121, 1126, 1178, 1180, 1829, 2242, 2252, 2356, 2815, 2945, 3658, 4484, 5605, 5630, 5890, 7316, 9145, 10697, 11210, 11260, 11780, 17453, 18290, 21394, 22420, 33217, 34751, 34906, 36580, 42788, 53485, 66434, 69502, 69812, 87265, 106970, 132868, 139004, 166085, 173755, 174530, 213940, 331607, 332170, 347510, 349060, 631123, 663214, 664340, 695020, 1029727, 1262246, 1326428, 1658035, 2059454, 2524492, 3155615, 3316070, 4118908, 5148635, 6311230, 6632140, 10297270, 12622460, 19564813, 20594540, 39129626, 78259252, 97824065, 195648130, 391296260]

約数ペア:

[(1, 391296260), (2, 195648130), (4, 97824065), (5, 78259252), (10, 39129626), (19, 20594540), (20, 19564813), (31, 12622460), (38, 10297270), (59, 6632140), (62, 6311230), (76, 5148635), (95, 4118908), (118, 3316070), (124, 3155615), (155, 2524492), (190, 2059454), (236, 1658035), (295, 1326428), (310, 1262246), (380, 1029727), (563, 695020), (589, 664340), (590, 663214), (620, 631123), (1121, 349060), (1126, 347510), (1178, 332170), (1180, 331607), (1829, 213940), (2242, 174530), (2252, 173755), (2356, 166085), (2815, 139004), (2945, 132868), (3658, 106970), (4484, 87265), (5605, 69812), (5630, 69502), (5890, 66434), (7316, 53485), (9145, 42788), (10697, 36580), (11210, 34906), (11260, 34751), (11780, 33217), (17453, 22420), (18290, 21394)]