127765820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70201}}^1$

素因数の和:70230

約数の個数: 48

約数和(自身を含む): 330230208

約数和(自身を除く): 202464388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70201, 140402, 280804, 351005, 491407, 702010, 912613, 982814, 1404020, 1825226, 1965628, 2457035, 3650452, 4563065, 4914070, 6388291, 9126130, 9828140, 12776582, 18252260, 25553164, 31941455, 63882910, 127765820]

約数ペア:

[(1, 127765820), (2, 63882910), (4, 31941455), (5, 25553164), (7, 18252260), (10, 12776582), (13, 9828140), (14, 9126130), (20, 6388291), (26, 4914070), (28, 4563065), (35, 3650452), (52, 2457035), (65, 1965628), (70, 1825226), (91, 1404020), (130, 982814), (140, 912613), (182, 702010), (260, 491407), (364, 351005), (455, 280804), (910, 140402), (1820, 70201)]