313628420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{4051}}^1$

素因数の和:4153

約数の個数: 72

約数和(自身を含む): 776039040

約数和(自身を除く): 462410620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2212, 2765, 3871, 4051, 5530, 7742, 8102, 11060, 15484, 16204, 19355, 20255, 28357, 38710, 40510, 56714, 77420, 81020, 113428, 141785, 198499, 283570, 320029, 396998, 567140, 640058, 793996, 992495, 1280116, 1600145, 1984990, 2240203, 3200290, 3969980, 4480406, 6400580, 8960812, 11201015, 15681421, 22402030, 31362842, 44804060, 62725684, 78407105, 156814210, 313628420]

約数ペア:

[(1, 313628420), (2, 156814210), (4, 78407105), (5, 62725684), (7, 44804060), (10, 31362842), (14, 22402030), (20, 15681421), (28, 11201015), (35, 8960812), (49, 6400580), (70, 4480406), (79, 3969980), (98, 3200290), (140, 2240203), (158, 1984990), (196, 1600145), (245, 1280116), (316, 992495), (395, 793996), (490, 640058), (553, 567140), (790, 396998), (980, 320029), (1106, 283570), (1580, 198499), (2212, 141785), (2765, 113428), (3871, 81020), (4051, 77420), (5530, 56714), (7742, 40510), (8102, 38710), (11060, 28357), (15484, 20255), (16204, 19355)]