157891340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 338839200

約数和(自身を除く): 180947860

約数列:

[1, 2, 4, 5, 10, 20, 89, 107, 178, 214, 356, 428, 445, 535, 829, 890, 1070, 1658, 1780, 2140, 3316, 4145, 8290, 9523, 16580, 19046, 38092, 47615, 73781, 88703, 95230, 147562, 177406, 190460, 295124, 354812, 368905, 443515, 737810, 887030, 1475620, 1774060, 7894567, 15789134, 31578268, 39472835, 78945670, 157891340]

約数ペア:

[(1, 157891340), (2, 78945670), (4, 39472835), (5, 31578268), (10, 15789134), (20, 7894567), (89, 1774060), (107, 1475620), (178, 887030), (214, 737810), (356, 443515), (428, 368905), (445, 354812), (535, 295124), (829, 190460), (890, 177406), (1070, 147562), (1658, 95230), (1780, 88703), (2140, 73781), (3316, 47615), (4145, 38092), (8290, 19046), (9523, 16580)]