409664580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1997}}^1$

素因数の和:2285

約数の個数: 96

約数和(自身を含む): 1240614144

約数和(自身を除く): 830949564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 263, 390, 526, 780, 789, 1052, 1315, 1578, 1997, 2630, 3156, 3419, 3945, 3994, 5260, 5991, 6838, 7890, 7988, 9985, 10257, 11982, 13676, 15780, 17095, 19970, 20514, 23964, 25961, 29955, 34190, 39940, 41028, 51285, 51922, 59910, 68380, 77883, 102570, 103844, 119820, 129805, 155766, 205140, 259610, 311532, 389415, 519220, 525211, 778830, 1050422, 1557660, 1575633, 2100844, 2626055, 3151266, 5252110, 6302532, 6827743, 7878165, 10504220, 13655486, 15756330, 20483229, 27310972, 31512660, 34138715, 40966458, 68277430, 81932916, 102416145, 136554860, 204832290, 409664580]

約数ペア:

[(1, 409664580), (2, 204832290), (3, 136554860), (4, 102416145), (5, 81932916), (6, 68277430), (10, 40966458), (12, 34138715), (13, 31512660), (15, 27310972), (20, 20483229), (26, 15756330), (30, 13655486), (39, 10504220), (52, 7878165), (60, 6827743), (65, 6302532), (78, 5252110), (130, 3151266), (156, 2626055), (195, 2100844), (260, 1575633), (263, 1557660), (390, 1050422), (526, 778830), (780, 525211), (789, 519220), (1052, 389415), (1315, 311532), (1578, 259610), (1997, 205140), (2630, 155766), (3156, 129805), (3419, 119820), (3945, 103844), (3994, 102570), (5260, 77883), (5991, 68380), (6838, 59910), (7890, 51922), (7988, 51285), (9985, 41028), (10257, 39940), (11982, 34190), (13676, 29955), (15780, 25961), (17095, 23964), (19970, 20514)]