90390410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 190166400

約数和(自身を除く): 99775990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 61, 95, 110, 122, 190, 209, 305, 418, 610, 671, 709, 1045, 1159, 1342, 1418, 2090, 2318, 3355, 3545, 5795, 6710, 7090, 7799, 11590, 12749, 13471, 15598, 25498, 26942, 38995, 43249, 63745, 67355, 77990, 86498, 127490, 134710, 148181, 216245, 296362, 432490, 475739, 740905, 821731, 951478, 1481810, 1643462, 2378695, 4108655, 4757390, 8217310, 9039041, 18078082, 45195205, 90390410]

約数ペア:

[(1, 90390410), (2, 45195205), (5, 18078082), (10, 9039041), (11, 8217310), (19, 4757390), (22, 4108655), (38, 2378695), (55, 1643462), (61, 1481810), (95, 951478), (110, 821731), (122, 740905), (190, 475739), (209, 432490), (305, 296362), (418, 216245), (610, 148181), (671, 134710), (709, 127490), (1045, 86498), (1159, 77990), (1342, 67355), (1418, 63745), (2090, 43249), (2318, 38995), (3355, 26942), (3545, 25498), (5795, 15598), (6710, 13471), (7090, 12749), (7799, 11590)]