19005390100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149531}}^1$

素因数の和:149617

約数の個数: 72

約数和(自身を含む): 43610708736

約数和(自身を除く): 24605318636

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 620, 775, 820, 1025, 1271, 1550, 2050, 2542, 3100, 4100, 5084, 6355, 12710, 25420, 31775, 63550, 127100, 149531, 299062, 598124, 747655, 1495310, 2990620, 3738275, 4635461, 6130771, 7476550, 9270922, 12261542, 14953100, 18541844, 23177305, 24523084, 30653855, 46354610, 61307710, 92709220, 115886525, 122615420, 153269275, 190053901, 231773050, 306538550, 380107802, 463546100, 613077100, 760215604, 950269505, 1900539010, 3801078020, 4751347525, 9502695050, 19005390100]

約数ペア:

[(1, 19005390100), (2, 9502695050), (4, 4751347525), (5, 3801078020), (10, 1900539010), (20, 950269505), (25, 760215604), (31, 613077100), (41, 463546100), (50, 380107802), (62, 306538550), (82, 231773050), (100, 190053901), (124, 153269275), (155, 122615420), (164, 115886525), (205, 92709220), (310, 61307710), (410, 46354610), (620, 30653855), (775, 24523084), (820, 23177305), (1025, 18541844), (1271, 14953100), (1550, 12261542), (2050, 9270922), (2542, 7476550), (3100, 6130771), (4100, 4635461), (5084, 3738275), (6355, 2990620), (12710, 1495310), (25420, 747655), (31775, 598124), (63550, 299062), (127100, 149531)]