2019100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 36

約数和(自身を含む): 4466728

約数和(自身を除く): 2447628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 331, 610, 662, 1220, 1324, 1525, 1655, 3050, 3310, 6100, 6620, 8275, 16550, 20191, 33100, 40382, 80764, 100955, 201910, 403820, 504775, 1009550, 2019100]

約数ペア:

[(1, 2019100), (2, 1009550), (4, 504775), (5, 403820), (10, 201910), (20, 100955), (25, 80764), (50, 40382), (61, 33100), (100, 20191), (122, 16550), (244, 8275), (305, 6620), (331, 6100), (610, 3310), (662, 3050), (1220, 1655), (1324, 1525)]