90180220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2297}}^1$

素因数の和:2470

約数の個数: 48

約数和(自身を含む): 205386048

約数和(自身を除く): 115205828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1510, 1963, 2297, 3020, 3926, 4594, 7852, 9188, 9815, 11485, 19630, 22970, 29861, 39260, 45940, 59722, 119444, 149305, 298610, 346847, 597220, 693694, 1387388, 1734235, 3468470, 4509011, 6936940, 9018022, 18036044, 22545055, 45090110, 90180220]

約数ペア:

[(1, 90180220), (2, 45090110), (4, 22545055), (5, 18036044), (10, 9018022), (13, 6936940), (20, 4509011), (26, 3468470), (52, 1734235), (65, 1387388), (130, 693694), (151, 597220), (260, 346847), (302, 298610), (604, 149305), (755, 119444), (1510, 59722), (1963, 45940), (2297, 39260), (3020, 29861), (3926, 22970), (4594, 19630), (7852, 11485), (9188, 9815)]