398652080080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{519457}}^1$

素因数の和:519704

約数の個数: 80

約数和(自身を含む): 949573379664

約数和(自身を除く): 550921299584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 181, 212, 265, 362, 424, 530, 724, 848, 905, 1060, 1448, 1810, 2120, 2896, 3620, 4240, 7240, 9593, 14480, 19186, 38372, 47965, 76744, 95930, 153488, 191860, 383720, 519457, 767440, 1038914, 2077828, 2597285, 4155656, 5194570, 8311312, 10389140, 20778280, 27531221, 41556560, 55062442, 94021717, 110124884, 137656105, 188043434, 220249768, 275312210, 376086868, 440499536, 470108585, 550624420, 752173736, 940217170, 1101248840, 1504347472, 1880434340, 2202497680, 3760868680, 4983151001, 7521737360, 9966302002, 19932604004, 24915755005, 39865208008, 49831510010, 79730416016, 99663020020, 199326040040, 398652080080]

約数ペア:

[(1, 398652080080), (2, 199326040040), (4, 99663020020), (5, 79730416016), (8, 49831510010), (10, 39865208008), (16, 24915755005), (20, 19932604004), (40, 9966302002), (53, 7521737360), (80, 4983151001), (106, 3760868680), (181, 2202497680), (212, 1880434340), (265, 1504347472), (362, 1101248840), (424, 940217170), (530, 752173736), (724, 550624420), (848, 470108585), (905, 440499536), (1060, 376086868), (1448, 275312210), (1810, 220249768), (2120, 188043434), (2896, 137656105), (3620, 110124884), (4240, 94021717), (7240, 55062442), (9593, 41556560), (14480, 27531221), (19186, 20778280), (38372, 10389140), (47965, 8311312), (76744, 5194570), (95930, 4155656), (153488, 2597285), (191860, 2077828), (383720, 1038914), (519457, 767440)]