2009097220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{967}}^1$

素因数の和:1181

約数の個数: 96

約数和(自身を含む): 4658201856

約数和(自身を除く): 2649104636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 131, 244, 260, 262, 305, 524, 610, 655, 793, 967, 1220, 1310, 1586, 1703, 1934, 2620, 3172, 3406, 3868, 3965, 4835, 6812, 7930, 7991, 8515, 9670, 12571, 15860, 15982, 17030, 19340, 25142, 31964, 34060, 39955, 50284, 58987, 62855, 79910, 103883, 117974, 125710, 126677, 159820, 207766, 235948, 251420, 253354, 294935, 415532, 506708, 519415, 589870, 633385, 766831, 1038830, 1179740, 1266770, 1533662, 1646801, 2077660, 2533540, 3067324, 3293602, 3834155, 6587204, 7668310, 7727297, 8234005, 15336620, 15454594, 16468010, 30909188, 32936020, 38636485, 77272970, 100454861, 154545940, 200909722, 401819444, 502274305, 1004548610, 2009097220]

約数ペア:

[(1, 2009097220), (2, 1004548610), (4, 502274305), (5, 401819444), (10, 200909722), (13, 154545940), (20, 100454861), (26, 77272970), (52, 38636485), (61, 32936020), (65, 30909188), (122, 16468010), (130, 15454594), (131, 15336620), (244, 8234005), (260, 7727297), (262, 7668310), (305, 6587204), (524, 3834155), (610, 3293602), (655, 3067324), (793, 2533540), (967, 2077660), (1220, 1646801), (1310, 1533662), (1586, 1266770), (1703, 1179740), (1934, 1038830), (2620, 766831), (3172, 633385), (3406, 589870), (3868, 519415), (3965, 506708), (4835, 415532), (6812, 294935), (7930, 253354), (7991, 251420), (8515, 235948), (9670, 207766), (12571, 159820), (15860, 126677), (15982, 125710), (17030, 117974), (19340, 103883), (25142, 79910), (31964, 62855), (34060, 58987), (39955, 50284)]