642407710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{13759}}^1$

素因数の和:13825

約数の個数: 64

約数和(自身を含む): 1426636800

約数和(自身を除く): 784229090

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 46, 58, 70, 115, 145, 161, 203, 230, 290, 322, 406, 667, 805, 1015, 1334, 1610, 2030, 3335, 4669, 6670, 9338, 13759, 23345, 27518, 46690, 68795, 96313, 137590, 192626, 316457, 399011, 481565, 632914, 798022, 963130, 1582285, 1995055, 2215199, 2793077, 3164570, 3990110, 4430398, 5586154, 9177253, 11075995, 13965385, 18354506, 22151990, 27930770, 45886265, 64240771, 91772530, 128481542, 321203855, 642407710]

約数ペア:

[(1, 642407710), (2, 321203855), (5, 128481542), (7, 91772530), (10, 64240771), (14, 45886265), (23, 27930770), (29, 22151990), (35, 18354506), (46, 13965385), (58, 11075995), (70, 9177253), (115, 5586154), (145, 4430398), (161, 3990110), (203, 3164570), (230, 2793077), (290, 2215199), (322, 1995055), (406, 1582285), (667, 963130), (805, 798022), (1015, 632914), (1334, 481565), (1610, 399011), (2030, 316457), (3335, 192626), (4669, 137590), (6670, 96313), (9338, 68795), (13759, 46690), (23345, 27518)]