252783160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{128971}}^1$

素因数の和:128996

約数の個数: 48

約数和(自身を含む): 661626360

約数和(自身を除く): 408843200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 128971, 257942, 515884, 644855, 902797, 1031768, 1289710, 1805594, 2579420, 3611188, 4513985, 5158840, 6319579, 7222376, 9027970, 12639158, 18055940, 25278316, 31597895, 36111880, 50556632, 63195790, 126391580, 252783160]

約数ペア:

[(1, 252783160), (2, 126391580), (4, 63195790), (5, 50556632), (7, 36111880), (8, 31597895), (10, 25278316), (14, 18055940), (20, 12639158), (28, 9027970), (35, 7222376), (40, 6319579), (49, 5158840), (56, 4513985), (70, 3611188), (98, 2579420), (140, 1805594), (196, 1289710), (245, 1031768), (280, 902797), (392, 644855), (490, 515884), (980, 257942), (1960, 128971)]