290432428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 621461120

約数和(自身を除く): 331028692

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 121, 124, 143, 242, 286, 341, 403, 484, 572, 682, 806, 1364, 1489, 1573, 1612, 2978, 3146, 3751, 4433, 5956, 6292, 7502, 8866, 15004, 16379, 17732, 19357, 32758, 38714, 46159, 48763, 65516, 77428, 92318, 97526, 180169, 184636, 195052, 212927, 360338, 425854, 507749, 600067, 720676, 851708, 1015498, 1200134, 2030996, 2342197, 2400268, 4684394, 5585239, 6600737, 9368788, 11170478, 13201474, 22340956, 26402948, 72608107, 145216214, 290432428]

約数ペア:

[(1, 290432428), (2, 145216214), (4, 72608107), (11, 26402948), (13, 22340956), (22, 13201474), (26, 11170478), (31, 9368788), (44, 6600737), (52, 5585239), (62, 4684394), (121, 2400268), (124, 2342197), (143, 2030996), (242, 1200134), (286, 1015498), (341, 851708), (403, 720676), (484, 600067), (572, 507749), (682, 425854), (806, 360338), (1364, 212927), (1489, 195052), (1573, 184636), (1612, 180169), (2978, 97526), (3146, 92318), (3751, 77428), (4433, 65516), (5956, 48763), (6292, 46159), (7502, 38714), (8866, 32758), (15004, 19357), (16379, 17732)]