353149520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 853897728

約数和(自身を除く): 500748208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 248, 310, 314, 496, 620, 628, 785, 907, 1240, 1256, 1570, 1814, 2480, 2512, 3140, 3628, 4535, 4867, 6280, 7256, 9070, 9734, 12560, 14512, 18140, 19468, 24335, 28117, 36280, 38936, 48670, 56234, 72560, 77872, 97340, 112468, 140585, 142399, 194680, 224936, 281170, 284798, 389360, 449872, 562340, 569596, 711995, 1124680, 1139192, 1423990, 2249360, 2278384, 2847980, 4414369, 5695960, 8828738, 11391920, 17657476, 22071845, 35314952, 44143690, 70629904, 88287380, 176574760, 353149520]

約数ペア:

[(1, 353149520), (2, 176574760), (4, 88287380), (5, 70629904), (8, 44143690), (10, 35314952), (16, 22071845), (20, 17657476), (31, 11391920), (40, 8828738), (62, 5695960), (80, 4414369), (124, 2847980), (155, 2278384), (157, 2249360), (248, 1423990), (310, 1139192), (314, 1124680), (496, 711995), (620, 569596), (628, 562340), (785, 449872), (907, 389360), (1240, 284798), (1256, 281170), (1570, 224936), (1814, 194680), (2480, 142399), (2512, 140585), (3140, 112468), (3628, 97340), (4535, 77872), (4867, 72560), (6280, 56234), (7256, 48670), (9070, 38936), (9734, 36280), (12560, 28117), (14512, 24335), (18140, 19468)]