249489380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{13399}}^1$

素因数の和:13441

約数の個数: 72

約数和(自身を含む): 641592000

約数和(自身を除く): 392102620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 13399, 18620, 26798, 53596, 66995, 93793, 133990, 187586, 254581, 267980, 375172, 468965, 509162, 656551, 937930, 1018324, 1272905, 1313102, 1782067, 1875860, 2545810, 2626204, 3282755, 3564134, 5091620, 6565510, 7128268, 8910335, 12474469, 13131020, 17820670, 24948938, 35641340, 49897876, 62372345, 124744690, 249489380]

約数ペア:

[(1, 249489380), (2, 124744690), (4, 62372345), (5, 49897876), (7, 35641340), (10, 24948938), (14, 17820670), (19, 13131020), (20, 12474469), (28, 8910335), (35, 7128268), (38, 6565510), (49, 5091620), (70, 3564134), (76, 3282755), (95, 2626204), (98, 2545810), (133, 1875860), (140, 1782067), (190, 1313102), (196, 1272905), (245, 1018324), (266, 937930), (380, 656551), (490, 509162), (532, 468965), (665, 375172), (931, 267980), (980, 254581), (1330, 187586), (1862, 133990), (2660, 93793), (3724, 66995), (4655, 53596), (9310, 26798), (13399, 18620)]