389613900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{99901}}^1$

素因数の和:99931

約数の個数: 72

約数和(自身を含む): 1214009104

約数和(自身を除く): 824395204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 99901, 199802, 299703, 399604, 499505, 599406, 999010, 1198812, 1298713, 1498515, 1998020, 2497525, 2597426, 2997030, 3896139, 4995050, 5194852, 5994060, 6493565, 7492575, 7792278, 9990100, 12987130, 14985150, 15584556, 19480695, 25974260, 29970300, 32467825, 38961390, 64935650, 77922780, 97403475, 129871300, 194806950, 389613900]

約数ペア:

[(1, 389613900), (2, 194806950), (3, 129871300), (4, 97403475), (5, 77922780), (6, 64935650), (10, 38961390), (12, 32467825), (13, 29970300), (15, 25974260), (20, 19480695), (25, 15584556), (26, 14985150), (30, 12987130), (39, 9990100), (50, 7792278), (52, 7492575), (60, 6493565), (65, 5994060), (75, 5194852), (78, 4995050), (100, 3896139), (130, 2997030), (150, 2597426), (156, 2497525), (195, 1998020), (260, 1498515), (300, 1298713), (325, 1198812), (390, 999010), (650, 599406), (780, 499505), (975, 399604), (1300, 299703), (1950, 199802), (3900, 99901)]