1995804580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{30139}}^1$

素因数の和:30209

約数の個数: 96

約数和(自身を含む): 5347077120

約数和(自身を除く): 3351272540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 770, 860, 946, 1204, 1505, 1540, 1892, 2365, 3010, 3311, 4730, 6020, 6622, 9460, 13244, 16555, 30139, 33110, 60278, 66220, 120556, 150695, 210973, 301390, 331529, 421946, 602780, 663058, 843892, 1054865, 1295977, 1326116, 1657645, 2109730, 2320703, 2591954, 3315290, 4219460, 4641406, 5183908, 6479885, 6630580, 9071839, 9282812, 11603515, 12959770, 14255747, 18143678, 23207030, 25919540, 28511494, 36287356, 45359195, 46414060, 57022988, 71278735, 90718390, 99790229, 142557470, 181436780, 199580458, 285114940, 399160916, 498951145, 997902290, 1995804580]

約数ペア:

[(1, 1995804580), (2, 997902290), (4, 498951145), (5, 399160916), (7, 285114940), (10, 199580458), (11, 181436780), (14, 142557470), (20, 99790229), (22, 90718390), (28, 71278735), (35, 57022988), (43, 46414060), (44, 45359195), (55, 36287356), (70, 28511494), (77, 25919540), (86, 23207030), (110, 18143678), (140, 14255747), (154, 12959770), (172, 11603515), (215, 9282812), (220, 9071839), (301, 6630580), (308, 6479885), (385, 5183908), (430, 4641406), (473, 4219460), (602, 3315290), (770, 2591954), (860, 2320703), (946, 2109730), (1204, 1657645), (1505, 1326116), (1540, 1295977), (1892, 1054865), (2365, 843892), (3010, 663058), (3311, 602780), (4730, 421946), (6020, 331529), (6622, 301390), (9460, 210973), (13244, 150695), (16555, 120556), (30139, 66220), (33110, 60278)]