198619980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1709}}^1$

素因数の和:1883

約数の個数: 96

約数和(自身を含む): 603288000

約数和(自身を除く): 404668020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 745, 780, 894, 1490, 1709, 1788, 1937, 2235, 2980, 3418, 3874, 4470, 5127, 5811, 6836, 7748, 8545, 8940, 9685, 10254, 11622, 17090, 19370, 20508, 22217, 23244, 25635, 29055, 34180, 38740, 44434, 51270, 58110, 66651, 88868, 102540, 111085, 116220, 133302, 222170, 254641, 266604, 333255, 444340, 509282, 666510, 763923, 1018564, 1273205, 1333020, 1527846, 2546410, 3055692, 3310333, 3819615, 5092820, 6620666, 7639230, 9930999, 13241332, 15278460, 16551665, 19861998, 33103330, 39723996, 49654995, 66206660, 99309990, 198619980]

約数ペア:

[(1, 198619980), (2, 99309990), (3, 66206660), (4, 49654995), (5, 39723996), (6, 33103330), (10, 19861998), (12, 16551665), (13, 15278460), (15, 13241332), (20, 9930999), (26, 7639230), (30, 6620666), (39, 5092820), (52, 3819615), (60, 3310333), (65, 3055692), (78, 2546410), (130, 1527846), (149, 1333020), (156, 1273205), (195, 1018564), (260, 763923), (298, 666510), (390, 509282), (447, 444340), (596, 333255), (745, 266604), (780, 254641), (894, 222170), (1490, 133302), (1709, 116220), (1788, 111085), (1937, 102540), (2235, 88868), (2980, 66651), (3418, 58110), (3874, 51270), (4470, 44434), (5127, 38740), (5811, 34180), (6836, 29055), (7748, 25635), (8545, 23244), (8940, 22217), (9685, 20508), (10254, 19370), (11622, 17090)]