639156700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70237}}^1$

素因数の和:70271

約数の個数: 72

約数和(自身を含む): 1707064352

約数和(自身を除く): 1067907652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 70237, 140474, 280948, 351185, 491659, 702370, 913081, 983318, 1404740, 1755925, 1826162, 1966636, 2458295, 3511850, 3652324, 4565405, 4916590, 6391567, 7023700, 9130810, 9833180, 12291475, 12783134, 18261620, 22827025, 24582950, 25566268, 31957835, 45654050, 49165900, 63915670, 91308100, 127831340, 159789175, 319578350, 639156700]

約数ペア:

[(1, 639156700), (2, 319578350), (4, 159789175), (5, 127831340), (7, 91308100), (10, 63915670), (13, 49165900), (14, 45654050), (20, 31957835), (25, 25566268), (26, 24582950), (28, 22827025), (35, 18261620), (50, 12783134), (52, 12291475), (65, 9833180), (70, 9130810), (91, 7023700), (100, 6391567), (130, 4916590), (140, 4565405), (175, 3652324), (182, 3511850), (260, 2458295), (325, 1966636), (350, 1826162), (364, 1755925), (455, 1404740), (650, 983318), (700, 913081), (910, 702370), (1300, 491659), (1820, 351185), (2275, 280948), (4550, 140474), (9100, 70237)]