248814990

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 695255040

約数和(自身を除く): 446440050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 243, 270, 279, 310, 367, 405, 465, 486, 558, 729, 734, 810, 837, 930, 1101, 1215, 1395, 1458, 1674, 1835, 2187, 2202, 2430, 2511, 2790, 3303, 3645, 3670, 4185, 4374, 5022, 5505, 6606, 7290, 7533, 8370, 9909, 10935, 11010, 11377, 12555, 15066, 16515, 19818, 21870, 22599, 22754, 25110, 29727, 33030, 34131, 37665, 45198, 49545, 56885, 59454, 67797, 68262, 75330, 89181, 99090, 102393, 112995, 113770, 135594, 148635, 170655, 178362, 204786, 225990, 267543, 297270, 307179, 338985, 341310, 445905, 511965, 535086, 614358, 677970, 802629, 891810, 921537, 1023930, 1337715, 1535895, 1605258, 1843074, 2675430, 2764611, 3071790, 4013145, 4607685, 5529222, 8026290, 8293833, 9215370, 13823055, 16587666, 24881499, 27646110, 41469165, 49762998, 82938330, 124407495, 248814990]

約数ペア:

[(1, 248814990), (2, 124407495), (3, 82938330), (5, 49762998), (6, 41469165), (9, 27646110), (10, 24881499), (15, 16587666), (18, 13823055), (27, 9215370), (30, 8293833), (31, 8026290), (45, 5529222), (54, 4607685), (62, 4013145), (81, 3071790), (90, 2764611), (93, 2675430), (135, 1843074), (155, 1605258), (162, 1535895), (186, 1337715), (243, 1023930), (270, 921537), (279, 891810), (310, 802629), (367, 677970), (405, 614358), (465, 535086), (486, 511965), (558, 445905), (729, 341310), (734, 338985), (810, 307179), (837, 297270), (930, 267543), (1101, 225990), (1215, 204786), (1395, 178362), (1458, 170655), (1674, 148635), (1835, 135594), (2187, 113770), (2202, 112995), (2430, 102393), (2511, 99090), (2790, 89181), (3303, 75330), (3645, 68262), (3670, 67797), (4185, 59454), (4374, 56885), (5022, 49545), (5505, 45198), (6606, 37665), (7290, 34131), (7533, 33030), (8370, 29727), (9909, 25110), (10935, 22754), (11010, 22599), (11377, 21870), (12555, 19818), (15066, 16515)]