90141700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 108

約数和(自身を含む): 226204272

約数和(自身を除く): 136062572

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 227, 275, 361, 380, 418, 454, 475, 550, 722, 836, 908, 950, 1045, 1100, 1135, 1444, 1805, 1900, 2090, 2270, 2497, 3610, 3971, 4180, 4313, 4540, 4994, 5225, 5675, 7220, 7942, 8626, 9025, 9988, 10450, 11350, 12485, 15884, 17252, 18050, 19855, 20900, 21565, 22700, 24970, 36100, 39710, 43130, 47443, 49940, 62425, 79420, 81947, 86260, 94886, 99275, 107825, 124850, 163894, 189772, 198550, 215650, 237215, 249700, 327788, 397100, 409735, 431300, 474430, 819470, 901417, 948860, 1186075, 1638940, 1802834, 2048675, 2372150, 3605668, 4097350, 4507085, 4744300, 8194700, 9014170, 18028340, 22535425, 45070850, 90141700]

約数ペア:

[(1, 90141700), (2, 45070850), (4, 22535425), (5, 18028340), (10, 9014170), (11, 8194700), (19, 4744300), (20, 4507085), (22, 4097350), (25, 3605668), (38, 2372150), (44, 2048675), (50, 1802834), (55, 1638940), (76, 1186075), (95, 948860), (100, 901417), (110, 819470), (190, 474430), (209, 431300), (220, 409735), (227, 397100), (275, 327788), (361, 249700), (380, 237215), (418, 215650), (454, 198550), (475, 189772), (550, 163894), (722, 124850), (836, 107825), (908, 99275), (950, 94886), (1045, 86260), (1100, 81947), (1135, 79420), (1444, 62425), (1805, 49940), (1900, 47443), (2090, 43130), (2270, 39710), (2497, 36100), (3610, 24970), (3971, 22700), (4180, 21565), (4313, 20900), (4540, 19855), (4994, 18050), (5225, 17252), (5675, 15884), (7220, 12485), (7942, 11350), (8626, 10450), (9025, 9988)]