1900870420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{7237}}^1$

素因数の和:7840

約数の個数: 48

約数和(自身を含む): 4173257088

約数和(自身を除く): 2272386668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 571, 1142, 2284, 2855, 5710, 7237, 11420, 13133, 14474, 26266, 28948, 36185, 52532, 65665, 72370, 131330, 144740, 166451, 262660, 332902, 665804, 832255, 1664510, 3329020, 4132327, 8264654, 16529308, 20661635, 41323270, 82646540, 95043521, 190087042, 380174084, 475217605, 950435210, 1900870420]

約数ペア:

[(1, 1900870420), (2, 950435210), (4, 475217605), (5, 380174084), (10, 190087042), (20, 95043521), (23, 82646540), (46, 41323270), (92, 20661635), (115, 16529308), (230, 8264654), (460, 4132327), (571, 3329020), (1142, 1664510), (2284, 832255), (2855, 665804), (5710, 332902), (7237, 262660), (11420, 166451), (13133, 144740), (14474, 131330), (26266, 72370), (28948, 65665), (36185, 52532)]