8147770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 16157448

約数和(自身を除く): 8009678

約数列:

[1, 2, 5, 10, 19, 37, 38, 61, 74, 95, 122, 185, 190, 305, 361, 370, 610, 703, 722, 1159, 1406, 1805, 2257, 2318, 3515, 3610, 4514, 5795, 7030, 11285, 11590, 13357, 22021, 22570, 26714, 42883, 44042, 66785, 85766, 110105, 133570, 214415, 220210, 428830, 814777, 1629554, 4073885, 8147770]

約数ペア:

[(1, 8147770), (2, 4073885), (5, 1629554), (10, 814777), (19, 428830), (37, 220210), (38, 214415), (61, 133570), (74, 110105), (95, 85766), (122, 66785), (185, 44042), (190, 42883), (305, 26714), (361, 22570), (370, 22021), (610, 13357), (703, 11590), (722, 11285), (1159, 7030), (1406, 5795), (1805, 4514), (2257, 3610), (2318, 3515)]