30149860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 69339312

約数和(自身を除く): 39189452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1901, 3172, 3802, 3965, 7604, 7930, 9505, 15860, 19010, 24713, 38020, 49426, 98852, 115961, 123565, 231922, 247130, 463844, 494260, 579805, 1159610, 1507493, 2319220, 3014986, 6029972, 7537465, 15074930, 30149860]

約数ペア:

[(1, 30149860), (2, 15074930), (4, 7537465), (5, 6029972), (10, 3014986), (13, 2319220), (20, 1507493), (26, 1159610), (52, 579805), (61, 494260), (65, 463844), (122, 247130), (130, 231922), (244, 123565), (260, 115961), (305, 98852), (610, 49426), (793, 38020), (1220, 24713), (1586, 19010), (1901, 15860), (3172, 9505), (3802, 7930), (3965, 7604)]