255485370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:436

約数の個数: 128

約数和(自身を含む): 728082432

約数和(自身を除く): 472597062

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 131, 185, 210, 222, 251, 259, 262, 370, 393, 502, 518, 555, 655, 753, 777, 786, 917, 1110, 1255, 1295, 1310, 1506, 1554, 1757, 1834, 1965, 2510, 2590, 2751, 3514, 3765, 3885, 3930, 4585, 4847, 5271, 5502, 7530, 7770, 8785, 9170, 9287, 9694, 10542, 13755, 14541, 17570, 18574, 24235, 26355, 27510, 27861, 29082, 32881, 33929, 46435, 48470, 52710, 55722, 65009, 65762, 67858, 72705, 92870, 98643, 101787, 130018, 139305, 145410, 164405, 169645, 195027, 197286, 203574, 230167, 278610, 325045, 328810, 339290, 390054, 460334, 493215, 508935, 650090, 690501, 975135, 986430, 1017870, 1150835, 1216597, 1381002, 1950270, 2301670, 2433194, 3452505, 3649791, 6082985, 6905010, 7299582, 8516179, 12165970, 17032358, 18248955, 25548537, 36497910, 42580895, 51097074, 85161790, 127742685, 255485370]

約数ペア:

[(1, 255485370), (2, 127742685), (3, 85161790), (5, 51097074), (6, 42580895), (7, 36497910), (10, 25548537), (14, 18248955), (15, 17032358), (21, 12165970), (30, 8516179), (35, 7299582), (37, 6905010), (42, 6082985), (70, 3649791), (74, 3452505), (105, 2433194), (111, 2301670), (131, 1950270), (185, 1381002), (210, 1216597), (222, 1150835), (251, 1017870), (259, 986430), (262, 975135), (370, 690501), (393, 650090), (502, 508935), (518, 493215), (555, 460334), (655, 390054), (753, 339290), (777, 328810), (786, 325045), (917, 278610), (1110, 230167), (1255, 203574), (1295, 197286), (1310, 195027), (1506, 169645), (1554, 164405), (1757, 145410), (1834, 139305), (1965, 130018), (2510, 101787), (2590, 98643), (2751, 92870), (3514, 72705), (3765, 67858), (3885, 65762), (3930, 65009), (4585, 55722), (4847, 52710), (5271, 48470), (5502, 46435), (7530, 33929), (7770, 32881), (8785, 29082), (9170, 27861), (9287, 27510), (9694, 26355), (10542, 24235), (13755, 18574), (14541, 17570)]