355152980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 951720336

約数和(自身を除く): 596567356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 61, 65, 70, 91, 98, 122, 130, 140, 182, 196, 244, 245, 260, 305, 364, 427, 455, 457, 490, 610, 637, 793, 854, 910, 914, 980, 1220, 1274, 1586, 1708, 1820, 1828, 2135, 2285, 2548, 2989, 3172, 3185, 3199, 3965, 4270, 4570, 5551, 5941, 5978, 6370, 6398, 7930, 8540, 9140, 11102, 11882, 11956, 12740, 12796, 14945, 15860, 15995, 22204, 22393, 23764, 27755, 27877, 29705, 29890, 31990, 38857, 41587, 44786, 55510, 55754, 59410, 59780, 63980, 77714, 83174, 89572, 111020, 111508, 111965, 118820, 139385, 155428, 166348, 194285, 195139, 207935, 223930, 278770, 291109, 362401, 388570, 390278, 415870, 447860, 557540, 582218, 724802, 777140, 780556, 831740, 975695, 1164436, 1365973, 1449604, 1455545, 1812005, 1951390, 2536807, 2731946, 2911090, 3624010, 3902780, 5073614, 5463892, 5822180, 6829865, 7248020, 10147228, 12684035, 13659730, 17757649, 25368070, 27319460, 35515298, 50736140, 71030596, 88788245, 177576490, 355152980]

約数ペア:

[(1, 355152980), (2, 177576490), (4, 88788245), (5, 71030596), (7, 50736140), (10, 35515298), (13, 27319460), (14, 25368070), (20, 17757649), (26, 13659730), (28, 12684035), (35, 10147228), (49, 7248020), (52, 6829865), (61, 5822180), (65, 5463892), (70, 5073614), (91, 3902780), (98, 3624010), (122, 2911090), (130, 2731946), (140, 2536807), (182, 1951390), (196, 1812005), (244, 1455545), (245, 1449604), (260, 1365973), (305, 1164436), (364, 975695), (427, 831740), (455, 780556), (457, 777140), (490, 724802), (610, 582218), (637, 557540), (793, 447860), (854, 415870), (910, 390278), (914, 388570), (980, 362401), (1220, 291109), (1274, 278770), (1586, 223930), (1708, 207935), (1820, 195139), (1828, 194285), (2135, 166348), (2285, 155428), (2548, 139385), (2989, 118820), (3172, 111965), (3185, 111508), (3199, 111020), (3965, 89572), (4270, 83174), (4570, 77714), (5551, 63980), (5941, 59780), (5978, 59410), (6370, 55754), (6398, 55510), (7930, 44786), (8540, 41587), (9140, 38857), (11102, 31990), (11882, 29890), (11956, 29705), (12740, 27877), (12796, 27755), (14945, 23764), (15860, 22393), (15995, 22204)]