1639950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:86

約数の個数: 72

約数和(自身を含む): 4536168

約数和(自身を除く): 2896218

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 29, 30, 39, 50, 58, 65, 75, 78, 87, 130, 145, 150, 174, 195, 290, 325, 377, 390, 435, 650, 725, 754, 841, 870, 975, 1131, 1450, 1682, 1885, 1950, 2175, 2262, 2523, 3770, 4205, 4350, 5046, 5655, 8410, 9425, 10933, 11310, 12615, 18850, 21025, 21866, 25230, 28275, 32799, 42050, 54665, 56550, 63075, 65598, 109330, 126150, 163995, 273325, 327990, 546650, 819975, 1639950]

約数ペア:

[(1, 1639950), (2, 819975), (3, 546650), (5, 327990), (6, 273325), (10, 163995), (13, 126150), (15, 109330), (25, 65598), (26, 63075), (29, 56550), (30, 54665), (39, 42050), (50, 32799), (58, 28275), (65, 25230), (75, 21866), (78, 21025), (87, 18850), (130, 12615), (145, 11310), (150, 10933), (174, 9425), (195, 8410), (290, 5655), (325, 5046), (377, 4350), (390, 4205), (435, 3770), (650, 2523), (725, 2262), (754, 2175), (841, 1950), (870, 1885), (975, 1682), (1131, 1450)]