55049540

素因数分解:

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

素因数の和:214

約数の個数: 144

約数和(自身を含む): 150822000

約数和(自身を除く): 95772460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 49, 52, 58, 65, 70, 91, 98, 116, 130, 140, 145, 149, 182, 196, 203, 245, 260, 290, 298, 364, 377, 406, 455, 490, 580, 596, 637, 745, 754, 812, 910, 980, 1015, 1043, 1274, 1421, 1490, 1508, 1820, 1885, 1937, 2030, 2086, 2548, 2639, 2842, 2980, 3185, 3770, 3874, 4060, 4172, 4321, 5215, 5278, 5684, 6370, 7105, 7301, 7540, 7748, 8642, 9685, 10430, 10556, 12740, 13195, 13559, 14210, 14602, 17284, 18473, 19370, 20860, 21605, 26390, 27118, 28420, 29204, 30247, 36505, 36946, 38740, 43210, 52780, 54236, 56173, 60494, 67795, 73010, 73892, 86420, 92365, 94913, 112346, 120988, 135590, 146020, 151235, 184730, 189826, 211729, 224692, 271180, 280865, 302470, 369460, 379652, 393211, 423458, 474565, 561730, 604940, 786422, 846916, 949130, 1058645, 1123460, 1572844, 1898260, 1966055, 2117290, 2752477, 3932110, 4234580, 5504954, 7864220, 11009908, 13762385, 27524770, 55049540]

約数ペア:

[(1, 55049540), (2, 27524770), (4, 13762385), (5, 11009908), (7, 7864220), (10, 5504954), (13, 4234580), (14, 3932110), (20, 2752477), (26, 2117290), (28, 1966055), (29, 1898260), (35, 1572844), (49, 1123460), (52, 1058645), (58, 949130), (65, 846916), (70, 786422), (91, 604940), (98, 561730), (116, 474565), (130, 423458), (140, 393211), (145, 379652), (149, 369460), (182, 302470), (196, 280865), (203, 271180), (245, 224692), (260, 211729), (290, 189826), (298, 184730), (364, 151235), (377, 146020), (406, 135590), (455, 120988), (490, 112346), (580, 94913), (596, 92365), (637, 86420), (745, 73892), (754, 73010), (812, 67795), (910, 60494), (980, 56173), (1015, 54236), (1043, 52780), (1274, 43210), (1421, 38740), (1490, 36946), (1508, 36505), (1820, 30247), (1885, 29204), (1937, 28420), (2030, 27118), (2086, 26390), (2548, 21605), (2639, 20860), (2842, 19370), (2980, 18473), (3185, 17284), (3770, 14602), (3874, 14210), (4060, 13559), (4172, 13195), (4321, 12740), (5215, 10556), (5278, 10430), (5684, 9685), (6370, 8642), (7105, 7748), (7301, 7540)]