1388730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 4043520

約数和(自身を除く): 2654790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 389, 510, 595, 714, 778, 1167, 1190, 1785, 1945, 2334, 2723, 3570, 3890, 5446, 5835, 6613, 8169, 11670, 13226, 13615, 16338, 19839, 27230, 33065, 39678, 40845, 46291, 66130, 81690, 92582, 99195, 138873, 198390, 231455, 277746, 462910, 694365, 1388730]

約数ペア:

[(1, 1388730), (2, 694365), (3, 462910), (5, 277746), (6, 231455), (7, 198390), (10, 138873), (14, 99195), (15, 92582), (17, 81690), (21, 66130), (30, 46291), (34, 40845), (35, 39678), (42, 33065), (51, 27230), (70, 19839), (85, 16338), (102, 13615), (105, 13226), (119, 11670), (170, 8169), (210, 6613), (238, 5835), (255, 5446), (357, 3890), (389, 3570), (510, 2723), (595, 2334), (714, 1945), (778, 1785), (1167, 1190)]