1900903940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{100153}}^1$

素因数の和:100248

約数の個数: 48

約数和(自身を含む): 4357900848

約数和(自身を除く): 2456996908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 100153, 200306, 400612, 500765, 1001530, 1301989, 2003060, 2603978, 5207956, 6509945, 7311169, 13019890, 14622338, 26039780, 29244676, 36555845, 73111690, 95045197, 146223380, 190090394, 380180788, 475225985, 950451970, 1900903940]

約数ペア:

[(1, 1900903940), (2, 950451970), (4, 475225985), (5, 380180788), (10, 190090394), (13, 146223380), (20, 95045197), (26, 73111690), (52, 36555845), (65, 29244676), (73, 26039780), (130, 14622338), (146, 13019890), (260, 7311169), (292, 6509945), (365, 5207956), (730, 2603978), (949, 2003060), (1460, 1301989), (1898, 1001530), (3796, 500765), (4745, 400612), (9490, 200306), (18980, 100153)]