638009550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1159

約数の個数: 144

約数和(自身を含む): 1831489920

約数和(自身を除く): 1193480370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 71, 75, 90, 95, 114, 142, 150, 171, 190, 213, 225, 285, 342, 355, 426, 450, 475, 570, 639, 710, 855, 950, 1051, 1065, 1278, 1349, 1425, 1710, 1775, 2102, 2130, 2698, 2850, 3153, 3195, 3550, 4047, 4275, 5255, 5325, 6306, 6390, 6745, 8094, 8550, 9459, 10510, 10650, 12141, 13490, 15765, 15975, 18918, 19969, 20235, 24282, 26275, 31530, 31950, 33725, 39938, 40470, 47295, 52550, 59907, 60705, 67450, 74621, 78825, 94590, 99845, 101175, 119814, 121410, 149242, 157650, 179721, 199690, 202350, 223863, 236475, 299535, 303525, 359442, 373105, 447726, 472950, 499225, 599070, 607050, 671589, 746210, 898605, 998450, 1119315, 1343178, 1417799, 1497675, 1797210, 1865525, 2238630, 2835598, 2995350, 3357945, 3731050, 4253397, 4493025, 5596575, 6715890, 7088995, 8506794, 8986050, 11193150, 12760191, 14177990, 16789725, 21266985, 25520382, 33579450, 35444975, 42533970, 63800955, 70889950, 106334925, 127601910, 212669850, 319004775, 638009550]

約数ペア:

[(1, 638009550), (2, 319004775), (3, 212669850), (5, 127601910), (6, 106334925), (9, 70889950), (10, 63800955), (15, 42533970), (18, 35444975), (19, 33579450), (25, 25520382), (30, 21266985), (38, 16789725), (45, 14177990), (50, 12760191), (57, 11193150), (71, 8986050), (75, 8506794), (90, 7088995), (95, 6715890), (114, 5596575), (142, 4493025), (150, 4253397), (171, 3731050), (190, 3357945), (213, 2995350), (225, 2835598), (285, 2238630), (342, 1865525), (355, 1797210), (426, 1497675), (450, 1417799), (475, 1343178), (570, 1119315), (639, 998450), (710, 898605), (855, 746210), (950, 671589), (1051, 607050), (1065, 599070), (1278, 499225), (1349, 472950), (1425, 447726), (1710, 373105), (1775, 359442), (2102, 303525), (2130, 299535), (2698, 236475), (2850, 223863), (3153, 202350), (3195, 199690), (3550, 179721), (4047, 157650), (4275, 149242), (5255, 121410), (5325, 119814), (6306, 101175), (6390, 99845), (6745, 94590), (8094, 78825), (8550, 74621), (9459, 67450), (10510, 60705), (10650, 59907), (12141, 52550), (13490, 47295), (15765, 40470), (15975, 39938), (18918, 33725), (19969, 31950), (20235, 31530), (24282, 26275)]