7864220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 21168000

約数和(自身を除く): 13303780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 149, 182, 203, 260, 290, 298, 364, 377, 406, 455, 580, 596, 745, 754, 812, 910, 1015, 1043, 1490, 1508, 1820, 1885, 1937, 2030, 2086, 2639, 2980, 3770, 3874, 4060, 4172, 4321, 5215, 5278, 7540, 7748, 8642, 9685, 10430, 10556, 13195, 13559, 17284, 19370, 20860, 21605, 26390, 27118, 30247, 38740, 43210, 52780, 54236, 56173, 60494, 67795, 86420, 112346, 120988, 135590, 151235, 224692, 271180, 280865, 302470, 393211, 561730, 604940, 786422, 1123460, 1572844, 1966055, 3932110, 7864220]

約数ペア:

[(1, 7864220), (2, 3932110), (4, 1966055), (5, 1572844), (7, 1123460), (10, 786422), (13, 604940), (14, 561730), (20, 393211), (26, 302470), (28, 280865), (29, 271180), (35, 224692), (52, 151235), (58, 135590), (65, 120988), (70, 112346), (91, 86420), (116, 67795), (130, 60494), (140, 56173), (145, 54236), (149, 52780), (182, 43210), (203, 38740), (260, 30247), (290, 27118), (298, 26390), (364, 21605), (377, 20860), (406, 19370), (455, 17284), (580, 13559), (596, 13195), (745, 10556), (754, 10430), (812, 9685), (910, 8642), (1015, 7748), (1043, 7540), (1490, 5278), (1508, 5215), (1820, 4321), (1885, 4172), (1937, 4060), (2030, 3874), (2086, 3770), (2639, 2980)]