2111820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 6020448

約数和(自身を除く): 3908628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 577, 610, 732, 915, 1154, 1220, 1731, 1830, 2308, 2885, 3462, 3660, 5770, 6924, 8655, 11540, 17310, 34620, 35197, 70394, 105591, 140788, 175985, 211182, 351970, 422364, 527955, 703940, 1055910, 2111820]

約数ペア:

[(1, 2111820), (2, 1055910), (3, 703940), (4, 527955), (5, 422364), (6, 351970), (10, 211182), (12, 175985), (15, 140788), (20, 105591), (30, 70394), (60, 35197), (61, 34620), (122, 17310), (183, 11540), (244, 8655), (305, 6924), (366, 5770), (577, 3660), (610, 3462), (732, 2885), (915, 2308), (1154, 1830), (1220, 1731)]