689127530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39857}}^1$

素因数の和:39903

約数の個数: 64

約数和(自身を含む): 1607074560

約数和(自身を除く): 917947030

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 8645, 17290, 39857, 79714, 199285, 278999, 398570, 518141, 557998, 757283, 1036282, 1394995, 1514566, 2590705, 2789990, 3626987, 3786415, 5181410, 5300981, 7253974, 7572830, 9844679, 10601962, 18134935, 19689358, 26504905, 36269870, 49223395, 53009810, 68912753, 98446790, 137825506, 344563765, 689127530]

約数ペア:

[(1, 689127530), (2, 344563765), (5, 137825506), (7, 98446790), (10, 68912753), (13, 53009810), (14, 49223395), (19, 36269870), (26, 26504905), (35, 19689358), (38, 18134935), (65, 10601962), (70, 9844679), (91, 7572830), (95, 7253974), (130, 5300981), (133, 5181410), (182, 3786415), (190, 3626987), (247, 2789990), (266, 2590705), (455, 1514566), (494, 1394995), (665, 1036282), (910, 757283), (1235, 557998), (1330, 518141), (1729, 398570), (2470, 278999), (3458, 199285), (8645, 79714), (17290, 39857)]