746980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:65

約数の個数: 48

約数和(自身を含む): 1799280

約数和(自身を除く): 1052300

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2197, 2210, 2873, 3380, 4394, 4420, 5746, 8788, 10985, 11492, 14365, 21970, 28730, 37349, 43940, 57460, 74698, 149396, 186745, 373490, 746980]

約数ペア:

[(1, 746980), (2, 373490), (4, 186745), (5, 149396), (10, 74698), (13, 57460), (17, 43940), (20, 37349), (26, 28730), (34, 21970), (52, 14365), (65, 11492), (68, 10985), (85, 8788), (130, 5746), (169, 4420), (170, 4394), (221, 3380), (260, 2873), (338, 2210), (340, 2197), (442, 1690), (676, 1105), (845, 884)]