2149609840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{202031}}^1$

素因数の和:202070

約数の個数: 80

約数和(自身を含む): 6012472320

約数和(自身を除く): 3862862480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 202031, 404062, 808124, 1010155, 1414217, 1616248, 2020310, 2828434, 3232496, 3838589, 4040620, 5656868, 7071085, 7677178, 8081240, 11313736, 14142170, 15354356, 16162480, 19192945, 22627472, 26870123, 28284340, 30708712, 38385890, 53740246, 56568680, 61417424, 76771780, 107480492, 113137360, 134350615, 153543560, 214960984, 268701230, 307087120, 429921968, 537402460, 1074804920, 2149609840]

約数ペア:

[(1, 2149609840), (2, 1074804920), (4, 537402460), (5, 429921968), (7, 307087120), (8, 268701230), (10, 214960984), (14, 153543560), (16, 134350615), (19, 113137360), (20, 107480492), (28, 76771780), (35, 61417424), (38, 56568680), (40, 53740246), (56, 38385890), (70, 30708712), (76, 28284340), (80, 26870123), (95, 22627472), (112, 19192945), (133, 16162480), (140, 15354356), (152, 14142170), (190, 11313736), (266, 8081240), (280, 7677178), (304, 7071085), (380, 5656868), (532, 4040620), (560, 3838589), (665, 3232496), (760, 2828434), (1064, 2020310), (1330, 1616248), (1520, 1414217), (2128, 1010155), (2660, 808124), (5320, 404062), (10640, 202031)]