248685780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 815645376

約数和(自身を除く): 566959596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 251, 294, 337, 420, 490, 502, 588, 674, 735, 753, 980, 1004, 1011, 1255, 1348, 1470, 1506, 1685, 1757, 2022, 2359, 2510, 2940, 3012, 3370, 3514, 3765, 4044, 4718, 5020, 5055, 5271, 6740, 7028, 7077, 7530, 8785, 9436, 10110, 10542, 11795, 12299, 14154, 15060, 16513, 17570, 20220, 21084, 23590, 24598, 26355, 28308, 33026, 35140, 35385, 36897, 47180, 49196, 49539, 52710, 61495, 66052, 70770, 73794, 82565, 84587, 99078, 105420, 122990, 141540, 147588, 165130, 169174, 184485, 198156, 245980, 247695, 253761, 330260, 338348, 368970, 422935, 495390, 507522, 592109, 737940, 845870, 990780, 1015044, 1184218, 1268805, 1691740, 1776327, 2368436, 2537610, 2960545, 3552654, 4144763, 5075220, 5921090, 7105308, 8289526, 8881635, 11842180, 12434289, 16579052, 17763270, 20723815, 24868578, 35526540, 41447630, 49737156, 62171445, 82895260, 124342890, 248685780]

約数ペア:

[(1, 248685780), (2, 124342890), (3, 82895260), (4, 62171445), (5, 49737156), (6, 41447630), (7, 35526540), (10, 24868578), (12, 20723815), (14, 17763270), (15, 16579052), (20, 12434289), (21, 11842180), (28, 8881635), (30, 8289526), (35, 7105308), (42, 5921090), (49, 5075220), (60, 4144763), (70, 3552654), (84, 2960545), (98, 2537610), (105, 2368436), (140, 1776327), (147, 1691740), (196, 1268805), (210, 1184218), (245, 1015044), (251, 990780), (294, 845870), (337, 737940), (420, 592109), (490, 507522), (502, 495390), (588, 422935), (674, 368970), (735, 338348), (753, 330260), (980, 253761), (1004, 247695), (1011, 245980), (1255, 198156), (1348, 184485), (1470, 169174), (1506, 165130), (1685, 147588), (1757, 141540), (2022, 122990), (2359, 105420), (2510, 99078), (2940, 84587), (3012, 82565), (3370, 73794), (3514, 70770), (3765, 66052), (4044, 61495), (4718, 52710), (5020, 49539), (5055, 49196), (5271, 47180), (6740, 36897), (7028, 35385), (7077, 35140), (7530, 33026), (8785, 28308), (9436, 26355), (10110, 24598), (10542, 23590), (11795, 21084), (12299, 20220), (14154, 17570), (15060, 16513)]