398144490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1\times {\mathrm{983}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 999806976

約数和(自身を除く): 601662486

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 587, 690, 983, 1174, 1761, 1966, 2935, 2949, 3522, 4915, 5870, 5898, 8805, 9830, 13501, 14745, 17610, 22609, 27002, 29490, 40503, 45218, 67505, 67827, 81006, 113045, 135010, 135654, 202515, 226090, 339135, 405030, 577021, 678270, 1154042, 1731063, 2885105, 3462126, 5770210, 8655315, 13271483, 17310630, 26542966, 39814449, 66357415, 79628898, 132714830, 199072245, 398144490]

約数ペア:

[(1, 398144490), (2, 199072245), (3, 132714830), (5, 79628898), (6, 66357415), (10, 39814449), (15, 26542966), (23, 17310630), (30, 13271483), (46, 8655315), (69, 5770210), (115, 3462126), (138, 2885105), (230, 1731063), (345, 1154042), (587, 678270), (690, 577021), (983, 405030), (1174, 339135), (1761, 226090), (1966, 202515), (2935, 135654), (2949, 135010), (3522, 113045), (4915, 81006), (5870, 67827), (5898, 67505), (8805, 45218), (9830, 40503), (13501, 29490), (14745, 27002), (17610, 22609)]