440643980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{108533}}^1$

素因数の和:108578

約数の個数: 48

約数和(自身を含む): 1094022720

約数和(自身を除く): 653378740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 108533, 217066, 434132, 542665, 759731, 1085330, 1519462, 2170660, 3038924, 3147457, 3798655, 6294914, 7597310, 12589828, 15194620, 15737285, 22032199, 31474570, 44064398, 62949140, 88128796, 110160995, 220321990, 440643980]

約数ペア:

[(1, 440643980), (2, 220321990), (4, 110160995), (5, 88128796), (7, 62949140), (10, 44064398), (14, 31474570), (20, 22032199), (28, 15737285), (29, 15194620), (35, 12589828), (58, 7597310), (70, 6294914), (116, 3798655), (140, 3147457), (145, 3038924), (203, 2170660), (290, 1519462), (406, 1085330), (580, 759731), (812, 542665), (1015, 434132), (2030, 217066), (4060, 108533)]