7889490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{1789}}^1$

素因数の和:1816

約数の個数: 72

約数和(自身を含む): 23875020

約数和(自身を除く): 15985530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 1789, 2205, 3578, 4410, 5367, 8945, 10734, 12523, 16101, 17890, 25046, 26835, 32202, 37569, 53670, 62615, 75138, 80505, 87661, 112707, 125230, 161010, 175322, 187845, 225414, 262983, 375690, 438305, 525966, 563535, 788949, 876610, 1127070, 1314915, 1577898, 2629830, 3944745, 7889490]

約数ペア:

[(1, 7889490), (2, 3944745), (3, 2629830), (5, 1577898), (6, 1314915), (7, 1127070), (9, 876610), (10, 788949), (14, 563535), (15, 525966), (18, 438305), (21, 375690), (30, 262983), (35, 225414), (42, 187845), (45, 175322), (49, 161010), (63, 125230), (70, 112707), (90, 87661), (98, 80505), (105, 75138), (126, 62615), (147, 53670), (210, 37569), (245, 32202), (294, 26835), (315, 25046), (441, 17890), (490, 16101), (630, 12523), (735, 10734), (882, 8945), (1470, 5367), (1789, 4410), (2205, 3578)]