78518830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 162570240

約数和(自身を除く): 84051410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 83, 95, 130, 166, 190, 247, 383, 415, 494, 766, 830, 1079, 1235, 1577, 1915, 2158, 2470, 3154, 3830, 4979, 5395, 7277, 7885, 9958, 10790, 14554, 15770, 20501, 24895, 31789, 36385, 41002, 49790, 63578, 72770, 94601, 102505, 158945, 189202, 205010, 317890, 413257, 473005, 603991, 826514, 946010, 1207982, 2066285, 3019955, 4132570, 6039910, 7851883, 15703766, 39259415, 78518830]

約数ペア:

[(1, 78518830), (2, 39259415), (5, 15703766), (10, 7851883), (13, 6039910), (19, 4132570), (26, 3019955), (38, 2066285), (65, 1207982), (83, 946010), (95, 826514), (130, 603991), (166, 473005), (190, 413257), (247, 317890), (383, 205010), (415, 189202), (494, 158945), (766, 102505), (830, 94601), (1079, 72770), (1235, 63578), (1577, 49790), (1915, 41002), (2158, 36385), (2470, 31789), (3154, 24895), (3830, 20501), (4979, 15770), (5395, 14554), (7277, 10790), (7885, 9958)]