778974340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{14593}}^1$

素因数の和:14776

約数の個数: 48

約数和(自身を含む): 1743224112

約数和(自身を除く): 964249772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1570, 2669, 3140, 5338, 10676, 13345, 14593, 26690, 29186, 53380, 58372, 72965, 145930, 248081, 291860, 496162, 992324, 1240405, 2291101, 2480810, 4582202, 4961620, 9164404, 11455505, 22911010, 38948717, 45822020, 77897434, 155794868, 194743585, 389487170, 778974340]

約数ペア:

[(1, 778974340), (2, 389487170), (4, 194743585), (5, 155794868), (10, 77897434), (17, 45822020), (20, 38948717), (34, 22911010), (68, 11455505), (85, 9164404), (157, 4961620), (170, 4582202), (314, 2480810), (340, 2291101), (628, 1240405), (785, 992324), (1570, 496162), (2669, 291860), (3140, 248081), (5338, 145930), (10676, 72965), (13345, 58372), (14593, 53380), (26690, 29186)]