2019803740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1883

約数の個数: 96

約数和(自身を含む): 4635671040

約数和(自身を除く): 2615867300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 71, 76, 86, 95, 142, 172, 190, 215, 284, 355, 380, 430, 710, 817, 860, 1349, 1420, 1634, 1741, 2698, 3053, 3268, 3482, 4085, 5396, 6106, 6745, 6964, 8170, 8705, 12212, 13490, 15265, 16340, 17410, 26980, 30530, 33079, 34820, 58007, 61060, 66158, 74863, 116014, 123611, 132316, 149726, 165395, 232028, 247222, 290035, 299452, 330790, 374315, 494444, 580070, 618055, 661580, 748630, 1160140, 1236110, 1422397, 1497260, 2348609, 2472220, 2844794, 4697218, 5315273, 5689588, 7111985, 9394436, 10630546, 11743045, 14223970, 21261092, 23486090, 26576365, 28447940, 46972180, 53152730, 100990187, 106305460, 201980374, 403960748, 504950935, 1009901870, 2019803740]

約数ペア:

[(1, 2019803740), (2, 1009901870), (4, 504950935), (5, 403960748), (10, 201980374), (19, 106305460), (20, 100990187), (38, 53152730), (43, 46972180), (71, 28447940), (76, 26576365), (86, 23486090), (95, 21261092), (142, 14223970), (172, 11743045), (190, 10630546), (215, 9394436), (284, 7111985), (355, 5689588), (380, 5315273), (430, 4697218), (710, 2844794), (817, 2472220), (860, 2348609), (1349, 1497260), (1420, 1422397), (1634, 1236110), (1741, 1160140), (2698, 748630), (3053, 661580), (3268, 618055), (3482, 580070), (4085, 494444), (5396, 374315), (6106, 330790), (6745, 299452), (6964, 290035), (8170, 247222), (8705, 232028), (12212, 165395), (13490, 149726), (15265, 132316), (16340, 123611), (17410, 116014), (26980, 74863), (30530, 66158), (33079, 61060), (34820, 58007)]