1215449620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5297}}^1$

素因数の和:5473

約数の個数: 96

約数和(自身を含む): 3204230400

約数和(自身を除く): 1988780780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 149, 154, 220, 298, 308, 385, 596, 745, 770, 1043, 1490, 1540, 1639, 2086, 2980, 3278, 4172, 5215, 5297, 6556, 8195, 10430, 10594, 11473, 16390, 20860, 21188, 22946, 26485, 32780, 37079, 45892, 52970, 57365, 58267, 74158, 105940, 114730, 116534, 148316, 185395, 229460, 233068, 291335, 370790, 407869, 582670, 741580, 789253, 815738, 1165340, 1578506, 1631476, 2039345, 3157012, 3946265, 4078690, 5524771, 7892530, 8157380, 8681783, 11049542, 15785060, 17363566, 22099084, 27623855, 34727132, 43408915, 55247710, 60772481, 86817830, 110495420, 121544962, 173635660, 243089924, 303862405, 607724810, 1215449620]

約数ペア:

[(1, 1215449620), (2, 607724810), (4, 303862405), (5, 243089924), (7, 173635660), (10, 121544962), (11, 110495420), (14, 86817830), (20, 60772481), (22, 55247710), (28, 43408915), (35, 34727132), (44, 27623855), (55, 22099084), (70, 17363566), (77, 15785060), (110, 11049542), (140, 8681783), (149, 8157380), (154, 7892530), (220, 5524771), (298, 4078690), (308, 3946265), (385, 3157012), (596, 2039345), (745, 1631476), (770, 1578506), (1043, 1165340), (1490, 815738), (1540, 789253), (1639, 741580), (2086, 582670), (2980, 407869), (3278, 370790), (4172, 291335), (5215, 233068), (5297, 229460), (6556, 185395), (8195, 148316), (10430, 116534), (10594, 114730), (11473, 105940), (16390, 74158), (20860, 58267), (21188, 57365), (22946, 52970), (26485, 45892), (32780, 37079)]