193938420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248639}}^1$

素因数の和:248664

約数の個数: 48

約数和(自身を含む): 584801280

約数和(自身を除く): 390862860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 248639, 497278, 745917, 994556, 1243195, 1491834, 2486390, 2983668, 3232307, 3729585, 4972780, 6464614, 7459170, 9696921, 12929228, 14918340, 16161535, 19393842, 32323070, 38787684, 48484605, 64646140, 96969210, 193938420]

約数ペア:

[(1, 193938420), (2, 96969210), (3, 64646140), (4, 48484605), (5, 38787684), (6, 32323070), (10, 19393842), (12, 16161535), (13, 14918340), (15, 12929228), (20, 9696921), (26, 7459170), (30, 6464614), (39, 4972780), (52, 3729585), (60, 3232307), (65, 2983668), (78, 2486390), (130, 1491834), (156, 1243195), (195, 994556), (260, 745917), (390, 497278), (780, 248639)]