401915930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 880588800

約数和(自身を除く): 478672870

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 31, 38, 58, 62, 65, 95, 130, 145, 155, 181, 190, 247, 290, 310, 362, 377, 403, 494, 551, 589, 754, 806, 899, 905, 1102, 1178, 1235, 1798, 1810, 1885, 2015, 2353, 2470, 2755, 2945, 3439, 3770, 4030, 4495, 4706, 5249, 5510, 5611, 5890, 6878, 7163, 7657, 8990, 10498, 11222, 11687, 11765, 14326, 15314, 17081, 17195, 23374, 23530, 26245, 28055, 34162, 34390, 35815, 38285, 44707, 52490, 56110, 58435, 68237, 71630, 72943, 76570, 85405, 89414, 99731, 106609, 116870, 136474, 145886, 162719, 170810, 199462, 213218, 222053, 223535, 325438, 341185, 364715, 444106, 447070, 498655, 533045, 682370, 729430, 813595, 997310, 1066090, 1110265, 1296503, 1385917, 1627190, 2115347, 2220530, 2593006, 2771834, 3091661, 4230694, 6183322, 6482515, 6929585, 10576735, 12965030, 13859170, 15458305, 21153470, 30916610, 40191593, 80383186, 200957965, 401915930]

約数ペア:

[(1, 401915930), (2, 200957965), (5, 80383186), (10, 40191593), (13, 30916610), (19, 21153470), (26, 15458305), (29, 13859170), (31, 12965030), (38, 10576735), (58, 6929585), (62, 6482515), (65, 6183322), (95, 4230694), (130, 3091661), (145, 2771834), (155, 2593006), (181, 2220530), (190, 2115347), (247, 1627190), (290, 1385917), (310, 1296503), (362, 1110265), (377, 1066090), (403, 997310), (494, 813595), (551, 729430), (589, 682370), (754, 533045), (806, 498655), (899, 447070), (905, 444106), (1102, 364715), (1178, 341185), (1235, 325438), (1798, 223535), (1810, 222053), (1885, 213218), (2015, 199462), (2353, 170810), (2470, 162719), (2755, 145886), (2945, 136474), (3439, 116870), (3770, 106609), (4030, 99731), (4495, 89414), (4706, 85405), (5249, 76570), (5510, 72943), (5611, 71630), (5890, 68237), (6878, 58435), (7163, 56110), (7657, 52490), (8990, 44707), (10498, 38285), (11222, 35815), (11687, 34390), (11765, 34162), (14326, 28055), (15314, 26245), (17081, 23530), (17195, 23374)]