399026380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{9241}}^1$

素因数の和:9394

約数の個数: 48

約数和(自身を含む): 894329856

約数和(自身を除く): 495303476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 508, 635, 1270, 2159, 2540, 4318, 8636, 9241, 10795, 18482, 21590, 36964, 43180, 46205, 92410, 157097, 184820, 314194, 628388, 785485, 1173607, 1570970, 2347214, 3141940, 4694428, 5868035, 11736070, 19951319, 23472140, 39902638, 79805276, 99756595, 199513190, 399026380]

約数ペア:

[(1, 399026380), (2, 199513190), (4, 99756595), (5, 79805276), (10, 39902638), (17, 23472140), (20, 19951319), (34, 11736070), (68, 5868035), (85, 4694428), (127, 3141940), (170, 2347214), (254, 1570970), (340, 1173607), (508, 785485), (635, 628388), (1270, 314194), (2159, 184820), (2540, 157097), (4318, 92410), (8636, 46205), (9241, 43180), (10795, 36964), (18482, 21590)]