388616240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{877}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 940654080

約数和(自身を除く): 552037840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 191, 232, 290, 382, 464, 580, 764, 877, 955, 1160, 1528, 1754, 1910, 2320, 3056, 3508, 3820, 4385, 5539, 7016, 7640, 8770, 11078, 14032, 15280, 17540, 22156, 25433, 27695, 35080, 44312, 50866, 55390, 70160, 88624, 101732, 110780, 127165, 167507, 203464, 221560, 254330, 335014, 406928, 443120, 508660, 670028, 837535, 1017320, 1340056, 1675070, 2034640, 2680112, 3350140, 4857703, 6700280, 9715406, 13400560, 19430812, 24288515, 38861624, 48577030, 77723248, 97154060, 194308120, 388616240]

約数ペア:

[(1, 388616240), (2, 194308120), (4, 97154060), (5, 77723248), (8, 48577030), (10, 38861624), (16, 24288515), (20, 19430812), (29, 13400560), (40, 9715406), (58, 6700280), (80, 4857703), (116, 3350140), (145, 2680112), (191, 2034640), (232, 1675070), (290, 1340056), (382, 1017320), (464, 837535), (580, 670028), (764, 508660), (877, 443120), (955, 406928), (1160, 335014), (1528, 254330), (1754, 221560), (1910, 203464), (2320, 167507), (3056, 127165), (3508, 110780), (3820, 101732), (4385, 88624), (5539, 70160), (7016, 55390), (7640, 50866), (8770, 44312), (11078, 35080), (14032, 27695), (15280, 25433), (17540, 22156)]