249688880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:827

約数の個数: 160

約数和(自身を含む): 721858560

約数和(自身を除く): 472169680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 757, 760, 868, 1064, 1085, 1178, 1240, 1330, 1514, 1520, 1736, 2128, 2170, 2356, 2480, 2660, 2945, 3028, 3472, 3785, 4123, 4340, 4712, 5299, 5320, 5890, 6056, 7570, 8246, 8680, 9424, 10598, 10640, 11780, 12112, 14383, 15140, 16492, 17360, 20615, 21196, 23467, 23560, 26495, 28766, 30280, 32984, 41230, 42392, 46934, 47120, 52990, 57532, 60560, 65968, 71915, 82460, 84784, 93868, 100681, 105980, 115064, 117335, 143830, 164269, 164920, 187736, 201362, 211960, 230128, 234670, 287660, 328538, 329840, 375472, 402724, 423920, 445873, 469340, 503405, 575320, 657076, 805448, 821345, 891746, 938680, 1006810, 1150640, 1314152, 1610896, 1642690, 1783492, 1877360, 2013620, 2229365, 2628304, 3121111, 3285380, 3566984, 4027240, 4458730, 6242222, 6570760, 7133968, 8054480, 8917460, 12484444, 13141520, 15605555, 17834920, 24968888, 31211110, 35669840, 49937776, 62422220, 124844440, 249688880]

約数ペア:

[(1, 249688880), (2, 124844440), (4, 62422220), (5, 49937776), (7, 35669840), (8, 31211110), (10, 24968888), (14, 17834920), (16, 15605555), (19, 13141520), (20, 12484444), (28, 8917460), (31, 8054480), (35, 7133968), (38, 6570760), (40, 6242222), (56, 4458730), (62, 4027240), (70, 3566984), (76, 3285380), (80, 3121111), (95, 2628304), (112, 2229365), (124, 2013620), (133, 1877360), (140, 1783492), (152, 1642690), (155, 1610896), (190, 1314152), (217, 1150640), (248, 1006810), (266, 938680), (280, 891746), (304, 821345), (310, 805448), (380, 657076), (434, 575320), (496, 503405), (532, 469340), (560, 445873), (589, 423920), (620, 402724), (665, 375472), (757, 329840), (760, 328538), (868, 287660), (1064, 234670), (1085, 230128), (1178, 211960), (1240, 201362), (1330, 187736), (1514, 164920), (1520, 164269), (1736, 143830), (2128, 117335), (2170, 115064), (2356, 105980), (2480, 100681), (2660, 93868), (2945, 84784), (3028, 82460), (3472, 71915), (3785, 65968), (4123, 60560), (4340, 57532), (4712, 52990), (5299, 47120), (5320, 46934), (5890, 42392), (6056, 41230), (7570, 32984), (8246, 30280), (8680, 28766), (9424, 26495), (10598, 23560), (10640, 23467), (11780, 21196), (12112, 20615), (14383, 17360), (15140, 16492)]