626492020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1262

約数の個数: 144

約数和(自身を含む): 1707439104

約数和(自身を除く): 1080947084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 140, 154, 155, 217, 220, 242, 308, 310, 341, 385, 434, 484, 605, 620, 682, 770, 847, 868, 1085, 1193, 1210, 1364, 1540, 1694, 1705, 2170, 2386, 2387, 2420, 3388, 3410, 3751, 4235, 4340, 4772, 4774, 5965, 6820, 7502, 8351, 8470, 9548, 11930, 11935, 13123, 15004, 16702, 16940, 18755, 23860, 23870, 26246, 26257, 33404, 36983, 37510, 41755, 47740, 52492, 52514, 65615, 73966, 75020, 83510, 91861, 105028, 131230, 131285, 144353, 147932, 167020, 183722, 184915, 258881, 262460, 262570, 288706, 367444, 369830, 406813, 459305, 517762, 525140, 577412, 721765, 739660, 813626, 918610, 1010471, 1035524, 1294405, 1443530, 1627252, 1837220, 2020942, 2034065, 2588810, 2847691, 2887060, 4041884, 4068130, 4474943, 5052355, 5177620, 5695382, 8136260, 8949886, 10104710, 11390764, 14238455, 17899772, 20209420, 22374715, 28476910, 31324601, 44749430, 56953820, 62649202, 89498860, 125298404, 156623005, 313246010, 626492020]

約数ペア:

[(1, 626492020), (2, 313246010), (4, 156623005), (5, 125298404), (7, 89498860), (10, 62649202), (11, 56953820), (14, 44749430), (20, 31324601), (22, 28476910), (28, 22374715), (31, 20209420), (35, 17899772), (44, 14238455), (55, 11390764), (62, 10104710), (70, 8949886), (77, 8136260), (110, 5695382), (121, 5177620), (124, 5052355), (140, 4474943), (154, 4068130), (155, 4041884), (217, 2887060), (220, 2847691), (242, 2588810), (308, 2034065), (310, 2020942), (341, 1837220), (385, 1627252), (434, 1443530), (484, 1294405), (605, 1035524), (620, 1010471), (682, 918610), (770, 813626), (847, 739660), (868, 721765), (1085, 577412), (1193, 525140), (1210, 517762), (1364, 459305), (1540, 406813), (1694, 369830), (1705, 367444), (2170, 288706), (2386, 262570), (2387, 262460), (2420, 258881), (3388, 184915), (3410, 183722), (3751, 167020), (4235, 147932), (4340, 144353), (4772, 131285), (4774, 131230), (5965, 105028), (6820, 91861), (7502, 83510), (8351, 75020), (8470, 73966), (9548, 65615), (11930, 52514), (11935, 52492), (13123, 47740), (15004, 41755), (16702, 37510), (16940, 36983), (18755, 33404), (23860, 26257), (23870, 26246)]