317394140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:987

約数の個数: 96

約数和(自身を含む): 794271744

約数和(自身を除く): 476877604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 71, 74, 140, 142, 148, 185, 259, 284, 355, 370, 497, 518, 710, 740, 863, 994, 1036, 1295, 1420, 1726, 1988, 2485, 2590, 2627, 3452, 4315, 4970, 5180, 5254, 6041, 8630, 9940, 10508, 12082, 13135, 17260, 18389, 24164, 26270, 30205, 31931, 36778, 52540, 60410, 61273, 63862, 73556, 91945, 120820, 122546, 127724, 159655, 183890, 223517, 245092, 306365, 319310, 367780, 428911, 447034, 612730, 638620, 857822, 894068, 1117585, 1225460, 1715644, 2144555, 2235170, 2267101, 4289110, 4470340, 4534202, 8578220, 9068404, 11335505, 15869707, 22671010, 31739414, 45342020, 63478828, 79348535, 158697070, 317394140]

約数ペア:

[(1, 317394140), (2, 158697070), (4, 79348535), (5, 63478828), (7, 45342020), (10, 31739414), (14, 22671010), (20, 15869707), (28, 11335505), (35, 9068404), (37, 8578220), (70, 4534202), (71, 4470340), (74, 4289110), (140, 2267101), (142, 2235170), (148, 2144555), (185, 1715644), (259, 1225460), (284, 1117585), (355, 894068), (370, 857822), (497, 638620), (518, 612730), (710, 447034), (740, 428911), (863, 367780), (994, 319310), (1036, 306365), (1295, 245092), (1420, 223517), (1726, 183890), (1988, 159655), (2485, 127724), (2590, 122546), (2627, 120820), (3452, 91945), (4315, 73556), (4970, 63862), (5180, 61273), (5254, 60410), (6041, 52540), (8630, 36778), (9940, 31931), (10508, 30205), (12082, 26270), (13135, 24164), (17260, 18389)]