1640473610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{18049}}^1$

素因数の和:18266

約数の個数: 32

約数和(自身を含む): 3021570000

約数和(自身を除く): 1381096390

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 610, 745, 1490, 9089, 18049, 18178, 36098, 45445, 90245, 90890, 180490, 1100989, 2201978, 2689301, 5378602, 5504945, 11009890, 13446505, 26893010, 164047361, 328094722, 820236805, 1640473610]

約数ペア:

[(1, 1640473610), (2, 820236805), (5, 328094722), (10, 164047361), (61, 26893010), (122, 13446505), (149, 11009890), (298, 5504945), (305, 5378602), (610, 2689301), (745, 2201978), (1490, 1100989), (9089, 180490), (18049, 90890), (18178, 90245), (36098, 45445)]