253421140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 660456720

約数和(自身を除く): 407035580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 37, 49, 58, 70, 74, 98, 116, 140, 145, 148, 185, 196, 203, 241, 245, 259, 290, 370, 406, 482, 490, 518, 580, 740, 812, 964, 980, 1015, 1036, 1073, 1205, 1295, 1421, 1687, 1813, 2030, 2146, 2410, 2590, 2842, 3374, 3626, 4060, 4292, 4820, 5180, 5365, 5684, 6748, 6989, 7105, 7252, 7511, 8435, 8917, 9065, 10730, 11809, 13978, 14210, 15022, 16870, 17834, 18130, 21460, 23618, 27956, 28420, 30044, 33740, 34945, 35668, 36260, 37555, 44585, 47236, 48923, 52577, 59045, 62419, 69890, 75110, 89170, 97846, 105154, 118090, 124838, 139780, 150220, 178340, 195692, 210308, 236180, 244615, 249676, 258593, 262885, 312095, 342461, 436933, 489230, 517186, 525770, 624190, 684922, 873866, 978460, 1034372, 1051540, 1248380, 1292965, 1369844, 1712305, 1747732, 1810151, 2184665, 2585930, 3424610, 3620302, 4369330, 5171860, 6849220, 7240604, 8738660, 9050755, 12671057, 18101510, 25342114, 36203020, 50684228, 63355285, 126710570, 253421140]

約数ペア:

[(1, 253421140), (2, 126710570), (4, 63355285), (5, 50684228), (7, 36203020), (10, 25342114), (14, 18101510), (20, 12671057), (28, 9050755), (29, 8738660), (35, 7240604), (37, 6849220), (49, 5171860), (58, 4369330), (70, 3620302), (74, 3424610), (98, 2585930), (116, 2184665), (140, 1810151), (145, 1747732), (148, 1712305), (185, 1369844), (196, 1292965), (203, 1248380), (241, 1051540), (245, 1034372), (259, 978460), (290, 873866), (370, 684922), (406, 624190), (482, 525770), (490, 517186), (518, 489230), (580, 436933), (740, 342461), (812, 312095), (964, 262885), (980, 258593), (1015, 249676), (1036, 244615), (1073, 236180), (1205, 210308), (1295, 195692), (1421, 178340), (1687, 150220), (1813, 139780), (2030, 124838), (2146, 118090), (2410, 105154), (2590, 97846), (2842, 89170), (3374, 75110), (3626, 69890), (4060, 62419), (4292, 59045), (4820, 52577), (5180, 48923), (5365, 47236), (5684, 44585), (6748, 37555), (6989, 36260), (7105, 35668), (7252, 34945), (7511, 33740), (8435, 30044), (8917, 28420), (9065, 27956), (10730, 23618), (11809, 21460), (13978, 18130), (14210, 17834), (15022, 16870)]