291438420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53377}}^1$

素因数の和:53409

約数の個数: 96

約数和(自身を含む): 1004360448

約数和(自身を除く): 712922028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 53377, 106754, 160131, 213508, 266885, 320262, 373639, 533770, 640524, 693901, 747278, 800655, 1067540, 1120917, 1387802, 1494556, 1601310, 1868195, 2081703, 2241834, 2775604, 3202620, 3469505, 3736390, 4163406, 4483668, 4857307, 5604585, 6939010, 7472780, 8326812, 9714614, 10408515, 11209170, 13878020, 14571921, 19429228, 20817030, 22418340, 24286535, 29143842, 41634060, 48573070, 58287684, 72859605, 97146140, 145719210, 291438420]

約数ペア:

[(1, 291438420), (2, 145719210), (3, 97146140), (4, 72859605), (5, 58287684), (6, 48573070), (7, 41634060), (10, 29143842), (12, 24286535), (13, 22418340), (14, 20817030), (15, 19429228), (20, 14571921), (21, 13878020), (26, 11209170), (28, 10408515), (30, 9714614), (35, 8326812), (39, 7472780), (42, 6939010), (52, 5604585), (60, 4857307), (65, 4483668), (70, 4163406), (78, 3736390), (84, 3469505), (91, 3202620), (105, 2775604), (130, 2241834), (140, 2081703), (156, 1868195), (182, 1601310), (195, 1494556), (210, 1387802), (260, 1120917), (273, 1067540), (364, 800655), (390, 747278), (420, 693901), (455, 640524), (546, 533770), (780, 373639), (910, 320262), (1092, 266885), (1365, 213508), (1820, 160131), (2730, 106754), (5460, 53377)]