289677440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:1010

約数の個数: 128

約数和(自身を含む): 766750320

約数和(自身を除く): 477072880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 481, 520, 592, 640, 740, 832, 941, 962, 1040, 1184, 1480, 1664, 1882, 1924, 2080, 2368, 2405, 2960, 3764, 3848, 4160, 4705, 4736, 4810, 5920, 7528, 7696, 8320, 9410, 9620, 11840, 12233, 15056, 15392, 18820, 19240, 23680, 24466, 30112, 30784, 34817, 37640, 38480, 48932, 60224, 61165, 61568, 69634, 75280, 76960, 97864, 120448, 122330, 139268, 150560, 153920, 174085, 195728, 244660, 278536, 301120, 307840, 348170, 391456, 452621, 489320, 557072, 602240, 696340, 782912, 905242, 978640, 1114144, 1392680, 1565824, 1810484, 1957280, 2228288, 2263105, 2785360, 3620968, 3914560, 4456576, 4526210, 5570720, 7241936, 7829120, 9052420, 11141440, 14483872, 18104840, 22282880, 28967744, 36209680, 57935488, 72419360, 144838720, 289677440]

約数ペア:

[(1, 289677440), (2, 144838720), (4, 72419360), (5, 57935488), (8, 36209680), (10, 28967744), (13, 22282880), (16, 18104840), (20, 14483872), (26, 11141440), (32, 9052420), (37, 7829120), (40, 7241936), (52, 5570720), (64, 4526210), (65, 4456576), (74, 3914560), (80, 3620968), (104, 2785360), (128, 2263105), (130, 2228288), (148, 1957280), (160, 1810484), (185, 1565824), (208, 1392680), (260, 1114144), (296, 978640), (320, 905242), (370, 782912), (416, 696340), (481, 602240), (520, 557072), (592, 489320), (640, 452621), (740, 391456), (832, 348170), (941, 307840), (962, 301120), (1040, 278536), (1184, 244660), (1480, 195728), (1664, 174085), (1882, 153920), (1924, 150560), (2080, 139268), (2368, 122330), (2405, 120448), (2960, 97864), (3764, 76960), (3848, 75280), (4160, 69634), (4705, 61568), (4736, 61165), (4810, 60224), (5920, 48932), (7528, 38480), (7696, 37640), (8320, 34817), (9410, 30784), (9620, 30112), (11840, 24466), (12233, 23680), (15056, 19240), (15392, 18820)]