423236440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:901

約数の個数: 128

約数和(自身を含む): 1102248000

約数和(自身を除く): 679011560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 41, 44, 55, 58, 82, 88, 110, 116, 145, 164, 205, 220, 232, 290, 319, 328, 410, 440, 451, 580, 638, 809, 820, 902, 1160, 1189, 1276, 1595, 1618, 1640, 1804, 2255, 2378, 2552, 3190, 3236, 3608, 4045, 4510, 4756, 5945, 6380, 6472, 8090, 8899, 9020, 9512, 11890, 12760, 13079, 16180, 17798, 18040, 23461, 23780, 26158, 32360, 33169, 35596, 44495, 46922, 47560, 52316, 65395, 66338, 71192, 88990, 93844, 104632, 117305, 130790, 132676, 165845, 177980, 187688, 234610, 258071, 261580, 265352, 331690, 355960, 364859, 469220, 516142, 523160, 663380, 729718, 938440, 961901, 1032284, 1290355, 1326760, 1459436, 1824295, 1923802, 2064568, 2580710, 2918872, 3648590, 3847604, 4809505, 5161420, 7297180, 7695208, 9619010, 10322840, 10580911, 14594360, 19238020, 21161822, 38476040, 42323644, 52904555, 84647288, 105809110, 211618220, 423236440]

約数ペア:

[(1, 423236440), (2, 211618220), (4, 105809110), (5, 84647288), (8, 52904555), (10, 42323644), (11, 38476040), (20, 21161822), (22, 19238020), (29, 14594360), (40, 10580911), (41, 10322840), (44, 9619010), (55, 7695208), (58, 7297180), (82, 5161420), (88, 4809505), (110, 3847604), (116, 3648590), (145, 2918872), (164, 2580710), (205, 2064568), (220, 1923802), (232, 1824295), (290, 1459436), (319, 1326760), (328, 1290355), (410, 1032284), (440, 961901), (451, 938440), (580, 729718), (638, 663380), (809, 523160), (820, 516142), (902, 469220), (1160, 364859), (1189, 355960), (1276, 331690), (1595, 265352), (1618, 261580), (1640, 258071), (1804, 234610), (2255, 187688), (2378, 177980), (2552, 165845), (3190, 132676), (3236, 130790), (3608, 117305), (4045, 104632), (4510, 93844), (4756, 88990), (5945, 71192), (6380, 66338), (6472, 65395), (8090, 52316), (8899, 47560), (9020, 46922), (9512, 44495), (11890, 35596), (12760, 33169), (13079, 32360), (16180, 26158), (17798, 23780), (18040, 23461)]