427658840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80387}}^1$

素因数の和:80424

約数の個数: 64

約数和(自身を含む): 1157587200

約数和(自身を除く): 729928360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 80387, 160774, 321548, 401935, 562709, 643096, 803870, 1125418, 1527353, 1607740, 2250836, 2813545, 3054706, 3215480, 4501672, 5627090, 6109412, 7636765, 10691471, 11254180, 12218824, 15273530, 21382942, 22508360, 30547060, 42765884, 53457355, 61094120, 85531768, 106914710, 213829420, 427658840]

約数ペア:

[(1, 427658840), (2, 213829420), (4, 106914710), (5, 85531768), (7, 61094120), (8, 53457355), (10, 42765884), (14, 30547060), (19, 22508360), (20, 21382942), (28, 15273530), (35, 12218824), (38, 11254180), (40, 10691471), (56, 7636765), (70, 6109412), (76, 5627090), (95, 4501672), (133, 3215480), (140, 3054706), (152, 2813545), (190, 2250836), (266, 1607740), (280, 1527353), (380, 1125418), (532, 803870), (665, 643096), (760, 562709), (1064, 401935), (1330, 321548), (2660, 160774), (5320, 80387)]