214689020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 558835200

約数和(自身を除く): 344146180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 179, 182, 260, 358, 364, 455, 659, 716, 895, 910, 1253, 1318, 1790, 1820, 2327, 2506, 2636, 3295, 3580, 4613, 4654, 5012, 6265, 6590, 8567, 9226, 9308, 11635, 12530, 13180, 16289, 17134, 18452, 23065, 23270, 25060, 32578, 34268, 42835, 46130, 46540, 59969, 65156, 81445, 85670, 92260, 117961, 119938, 162890, 171340, 235922, 239876, 299845, 325780, 471844, 589805, 599690, 825727, 1179610, 1199380, 1533493, 1651454, 2359220, 3066986, 3302908, 4128635, 6133972, 7667465, 8257270, 10734451, 15334930, 16514540, 21468902, 30669860, 42937804, 53672255, 107344510, 214689020]

約数ペア:

[(1, 214689020), (2, 107344510), (4, 53672255), (5, 42937804), (7, 30669860), (10, 21468902), (13, 16514540), (14, 15334930), (20, 10734451), (26, 8257270), (28, 7667465), (35, 6133972), (52, 4128635), (65, 3302908), (70, 3066986), (91, 2359220), (130, 1651454), (140, 1533493), (179, 1199380), (182, 1179610), (260, 825727), (358, 599690), (364, 589805), (455, 471844), (659, 325780), (716, 299845), (895, 239876), (910, 235922), (1253, 171340), (1318, 162890), (1790, 119938), (1820, 117961), (2327, 92260), (2506, 85670), (2636, 81445), (3295, 65156), (3580, 59969), (4613, 46540), (4654, 46130), (5012, 42835), (6265, 34268), (6590, 32578), (8567, 25060), (9226, 23270), (9308, 23065), (11635, 18452), (12530, 17134), (13180, 16289)]