291223380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1049}}^1$

素因数の和:1729

約数の個数: 96

約数和(自身を含む): 934214400

約数和(自身を除く): 642991020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 661, 1049, 1322, 1983, 2098, 2644, 3147, 3305, 3966, 4196, 4627, 5245, 6294, 6610, 7343, 7932, 9254, 9915, 10490, 12588, 13220, 13881, 14686, 15735, 18508, 19830, 20980, 22029, 23135, 27762, 29372, 31470, 36715, 39660, 44058, 46270, 55524, 62940, 69405, 73430, 88116, 92540, 110145, 138810, 146860, 220290, 277620, 440580, 693389, 1386778, 2080167, 2773556, 3466945, 4160334, 4853723, 6933890, 8320668, 9707446, 10400835, 13867780, 14561169, 19414892, 20801670, 24268615, 29122338, 41603340, 48537230, 58244676, 72805845, 97074460, 145611690, 291223380]

約数ペア:

[(1, 291223380), (2, 145611690), (3, 97074460), (4, 72805845), (5, 58244676), (6, 48537230), (7, 41603340), (10, 29122338), (12, 24268615), (14, 20801670), (15, 19414892), (20, 14561169), (21, 13867780), (28, 10400835), (30, 9707446), (35, 8320668), (42, 6933890), (60, 4853723), (70, 4160334), (84, 3466945), (105, 2773556), (140, 2080167), (210, 1386778), (420, 693389), (661, 440580), (1049, 277620), (1322, 220290), (1983, 146860), (2098, 138810), (2644, 110145), (3147, 92540), (3305, 88116), (3966, 73430), (4196, 69405), (4627, 62940), (5245, 55524), (6294, 46270), (6610, 44058), (7343, 39660), (7932, 36715), (9254, 31470), (9915, 29372), (10490, 27762), (12588, 23135), (13220, 22029), (13881, 20980), (14686, 19830), (15735, 18508)]