30885140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10799}}^1$

素因数の和:10832

約数の個数: 48

約数和(自身を含む): 76204800

約数和(自身を除く): 45319660

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10799, 21598, 43196, 53995, 107990, 118789, 140387, 215980, 237578, 280774, 475156, 561548, 593945, 701935, 1187890, 1403870, 1544257, 2375780, 2807740, 3088514, 6177028, 7721285, 15442570, 30885140]

約数ペア:

[(1, 30885140), (2, 15442570), (4, 7721285), (5, 6177028), (10, 3088514), (11, 2807740), (13, 2375780), (20, 1544257), (22, 1403870), (26, 1187890), (44, 701935), (52, 593945), (55, 561548), (65, 475156), (110, 280774), (130, 237578), (143, 215980), (220, 140387), (260, 118789), (286, 107990), (572, 53995), (715, 43196), (1430, 21598), (2860, 10799)]