221433160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 584327520

約数和(自身を除く): 362894360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 37, 40, 52, 65, 68, 74, 85, 104, 130, 136, 148, 170, 185, 221, 260, 296, 340, 370, 442, 481, 520, 629, 677, 680, 740, 884, 962, 1105, 1258, 1354, 1480, 1768, 1924, 2210, 2405, 2516, 2708, 3145, 3385, 3848, 4420, 4810, 5032, 5416, 6290, 6770, 8177, 8801, 8840, 9620, 11509, 12580, 13540, 16354, 17602, 19240, 23018, 25049, 25160, 27080, 32708, 35204, 40885, 44005, 46036, 50098, 57545, 65416, 70408, 81770, 88010, 92072, 100196, 115090, 125245, 149617, 163540, 176020, 200392, 230180, 250490, 299234, 325637, 327080, 352040, 425833, 460360, 500980, 598468, 651274, 748085, 851666, 1001960, 1196936, 1302548, 1496170, 1628185, 1703332, 2129165, 2605096, 2992340, 3256370, 3406664, 4258330, 5535829, 5984680, 6512740, 8516660, 11071658, 13025480, 17033320, 22143316, 27679145, 44286632, 55358290, 110716580, 221433160]

約数ペア:

[(1, 221433160), (2, 110716580), (4, 55358290), (5, 44286632), (8, 27679145), (10, 22143316), (13, 17033320), (17, 13025480), (20, 11071658), (26, 8516660), (34, 6512740), (37, 5984680), (40, 5535829), (52, 4258330), (65, 3406664), (68, 3256370), (74, 2992340), (85, 2605096), (104, 2129165), (130, 1703332), (136, 1628185), (148, 1496170), (170, 1302548), (185, 1196936), (221, 1001960), (260, 851666), (296, 748085), (340, 651274), (370, 598468), (442, 500980), (481, 460360), (520, 425833), (629, 352040), (677, 327080), (680, 325637), (740, 299234), (884, 250490), (962, 230180), (1105, 200392), (1258, 176020), (1354, 163540), (1480, 149617), (1768, 125245), (1924, 115090), (2210, 100196), (2405, 92072), (2516, 88010), (2708, 81770), (3145, 70408), (3385, 65416), (3848, 57545), (4420, 50098), (4810, 46036), (5032, 44005), (5416, 40885), (6290, 35204), (6770, 32708), (8177, 27080), (8801, 25160), (8840, 25049), (9620, 23018), (11509, 19240), (12580, 17602), (13540, 16354)]