631963190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 1191127680

約数和(自身を除く): 559164490

約数列:

[1, 2, 5, 10, 71, 73, 89, 137, 142, 146, 178, 274, 355, 365, 445, 685, 710, 730, 890, 1370, 5183, 6319, 6497, 9727, 10001, 10366, 12193, 12638, 12994, 19454, 20002, 24386, 25915, 31595, 32485, 48635, 50005, 51830, 60965, 63190, 64970, 97270, 100010, 121930, 461287, 710071, 865703, 890089, 922574, 1420142, 1731406, 1780178, 2306435, 3550355, 4328515, 4450445, 4612870, 7100710, 8657030, 8900890, 63196319, 126392638, 315981595, 631963190]

約数ペア:

[(1, 631963190), (2, 315981595), (5, 126392638), (10, 63196319), (71, 8900890), (73, 8657030), (89, 7100710), (137, 4612870), (142, 4450445), (146, 4328515), (178, 3550355), (274, 2306435), (355, 1780178), (365, 1731406), (445, 1420142), (685, 922574), (710, 890089), (730, 865703), (890, 710071), (1370, 461287), (5183, 121930), (6319, 100010), (6497, 97270), (9727, 64970), (10001, 63190), (10366, 60965), (12193, 51830), (12638, 50005), (12994, 48635), (19454, 32485), (20002, 31595), (24386, 25915)]