1985100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 6197520

約数和(自身を除く): 4212420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 509, 650, 780, 975, 1018, 1300, 1527, 1950, 2036, 2545, 3054, 3900, 5090, 6108, 6617, 7635, 10180, 12725, 13234, 15270, 19851, 25450, 26468, 30540, 33085, 38175, 39702, 50900, 66170, 76350, 79404, 99255, 132340, 152700, 165425, 198510, 330850, 397020, 496275, 661700, 992550, 1985100]

約数ペア:

[(1, 1985100), (2, 992550), (3, 661700), (4, 496275), (5, 397020), (6, 330850), (10, 198510), (12, 165425), (13, 152700), (15, 132340), (20, 99255), (25, 79404), (26, 76350), (30, 66170), (39, 50900), (50, 39702), (52, 38175), (60, 33085), (65, 30540), (75, 26468), (78, 25450), (100, 19851), (130, 15270), (150, 13234), (156, 12725), (195, 10180), (260, 7635), (300, 6617), (325, 6108), (390, 5090), (509, 3900), (650, 3054), (780, 2545), (975, 2036), (1018, 1950), (1300, 1527)]