400031340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{40903}}^1$

素因数の和:41078

約数の個数: 48

約数和(自身を含む): 1126987008

約数和(自身を除く): 726955668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 40903, 81806, 122709, 163612, 204515, 245418, 409030, 490836, 613545, 818060, 1227090, 2454180, 6667189, 13334378, 20001567, 26668756, 33335945, 40003134, 66671890, 80006268, 100007835, 133343780, 200015670, 400031340]

約数ペア:

[(1, 400031340), (2, 200015670), (3, 133343780), (4, 100007835), (5, 80006268), (6, 66671890), (10, 40003134), (12, 33335945), (15, 26668756), (20, 20001567), (30, 13334378), (60, 6667189), (163, 2454180), (326, 1227090), (489, 818060), (652, 613545), (815, 490836), (978, 409030), (1630, 245418), (1956, 204515), (2445, 163612), (3260, 122709), (4890, 81806), (9780, 40903)]