664508090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{74413}}^1$

素因数の和:74486

約数の個数: 32

約数和(自身を含む): 1285873920

約数和(自身を除く): 621365830

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 74413, 148826, 372065, 744130, 1413847, 2827694, 3497411, 6994822, 7069235, 14138470, 17487055, 34974110, 66450809, 132901618, 332254045, 664508090]

約数ペア:

[(1, 664508090), (2, 332254045), (5, 132901618), (10, 66450809), (19, 34974110), (38, 17487055), (47, 14138470), (94, 7069235), (95, 6994822), (190, 3497411), (235, 2827694), (470, 1413847), (893, 744130), (1786, 372065), (4465, 148826), (8930, 74413)]