251447900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 641208960

約数和(自身を除く): 389761060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 53, 55, 76, 95, 100, 106, 110, 190, 209, 212, 220, 227, 265, 275, 380, 418, 454, 475, 530, 550, 583, 836, 908, 950, 1007, 1045, 1060, 1100, 1135, 1166, 1325, 1900, 2014, 2090, 2270, 2332, 2497, 2650, 2915, 4028, 4180, 4313, 4540, 4994, 5035, 5225, 5300, 5675, 5830, 8626, 9988, 10070, 10450, 11077, 11350, 11660, 12031, 12485, 14575, 17252, 20140, 20900, 21565, 22154, 22700, 24062, 24970, 25175, 29150, 43130, 44308, 47443, 48124, 49940, 50350, 55385, 58300, 60155, 62425, 86260, 94886, 100700, 107825, 110770, 120310, 124850, 132341, 189772, 215650, 221540, 228589, 237215, 240620, 249700, 264682, 276925, 300775, 431300, 457178, 474430, 529364, 553850, 601550, 661705, 914356, 948860, 1107700, 1142945, 1186075, 1203100, 1323410, 2285890, 2372150, 2514479, 2646820, 3308525, 4571780, 4744300, 5028958, 5714725, 6617050, 10057916, 11429450, 12572395, 13234100, 22858900, 25144790, 50289580, 62861975, 125723950, 251447900]

約数ペア:

[(1, 251447900), (2, 125723950), (4, 62861975), (5, 50289580), (10, 25144790), (11, 22858900), (19, 13234100), (20, 12572395), (22, 11429450), (25, 10057916), (38, 6617050), (44, 5714725), (50, 5028958), (53, 4744300), (55, 4571780), (76, 3308525), (95, 2646820), (100, 2514479), (106, 2372150), (110, 2285890), (190, 1323410), (209, 1203100), (212, 1186075), (220, 1142945), (227, 1107700), (265, 948860), (275, 914356), (380, 661705), (418, 601550), (454, 553850), (475, 529364), (530, 474430), (550, 457178), (583, 431300), (836, 300775), (908, 276925), (950, 264682), (1007, 249700), (1045, 240620), (1060, 237215), (1100, 228589), (1135, 221540), (1166, 215650), (1325, 189772), (1900, 132341), (2014, 124850), (2090, 120310), (2270, 110770), (2332, 107825), (2497, 100700), (2650, 94886), (2915, 86260), (4028, 62425), (4180, 60155), (4313, 58300), (4540, 55385), (4994, 50350), (5035, 49940), (5225, 48124), (5300, 47443), (5675, 44308), (5830, 43130), (8626, 29150), (9988, 25175), (10070, 24970), (10450, 24062), (11077, 22700), (11350, 22154), (11660, 21565), (12031, 20900), (12485, 20140), (14575, 17252)]