2021503890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:808

約数の個数: 128

約数和(自身を含む): 5640192000

約数和(自身を除く): 3618688110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 191, 202, 210, 303, 382, 499, 505, 573, 606, 707, 955, 998, 1010, 1146, 1337, 1414, 1497, 1515, 1910, 2121, 2495, 2674, 2865, 2994, 3030, 3493, 3535, 4011, 4242, 4990, 5730, 6685, 6986, 7070, 7485, 8022, 10479, 10605, 13370, 14970, 17465, 19291, 20055, 20958, 21210, 34930, 38582, 40110, 50399, 52395, 57873, 95309, 96455, 100798, 104790, 115746, 135037, 151197, 190618, 192910, 251995, 270074, 285927, 289365, 302394, 352793, 405111, 476545, 503990, 571854, 578730, 667163, 675185, 705586, 755985, 810222, 953090, 1058379, 1334326, 1350370, 1429635, 1511970, 1763965, 2001489, 2025555, 2116758, 2859270, 3335815, 3527930, 4002978, 4051110, 5291895, 6671630, 9626209, 10007445, 10583790, 19252418, 20014890, 28878627, 48131045, 57757254, 67383463, 96262090, 134766926, 144393135, 202150389, 288786270, 336917315, 404300778, 673834630, 1010751945, 2021503890]

約数ペア:

[(1, 2021503890), (2, 1010751945), (3, 673834630), (5, 404300778), (6, 336917315), (7, 288786270), (10, 202150389), (14, 144393135), (15, 134766926), (21, 96262090), (30, 67383463), (35, 57757254), (42, 48131045), (70, 28878627), (101, 20014890), (105, 19252418), (191, 10583790), (202, 10007445), (210, 9626209), (303, 6671630), (382, 5291895), (499, 4051110), (505, 4002978), (573, 3527930), (606, 3335815), (707, 2859270), (955, 2116758), (998, 2025555), (1010, 2001489), (1146, 1763965), (1337, 1511970), (1414, 1429635), (1497, 1350370), (1515, 1334326), (1910, 1058379), (2121, 953090), (2495, 810222), (2674, 755985), (2865, 705586), (2994, 675185), (3030, 667163), (3493, 578730), (3535, 571854), (4011, 503990), (4242, 476545), (4990, 405111), (5730, 352793), (6685, 302394), (6986, 289365), (7070, 285927), (7485, 270074), (8022, 251995), (10479, 192910), (10605, 190618), (13370, 151197), (14970, 135037), (17465, 115746), (19291, 104790), (20055, 100798), (20958, 96455), (21210, 95309), (34930, 57873), (38582, 52395), (40110, 50399)]