818091300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{209767}}^1$

素因数の和:209797

約数の個数: 72

約数和(自身を含む): 2549100736

約数和(自身を除く): 1731009436

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, 209767, 419534, 629301, 839068, 1048835, 1258602, 2097670, 2517204, 2726971, 3146505, 4195340, 5244175, 5453942, 6293010, 8180913, 10488350, 10907884, 12586020, 13634855, 15732525, 16361826, 20976700, 27269710, 31465050, 32723652, 40904565, 54539420, 62930100, 68174275, 81809130, 136348550, 163618260, 204522825, 272697100, 409045650, 818091300]

約数ペア:

[(1, 818091300), (2, 409045650), (3, 272697100), (4, 204522825), (5, 163618260), (6, 136348550), (10, 81809130), (12, 68174275), (13, 62930100), (15, 54539420), (20, 40904565), (25, 32723652), (26, 31465050), (30, 27269710), (39, 20976700), (50, 16361826), (52, 15732525), (60, 13634855), (65, 12586020), (75, 10907884), (78, 10488350), (100, 8180913), (130, 6293010), (150, 5453942), (156, 5244175), (195, 4195340), (260, 3146505), (300, 2726971), (325, 2517204), (390, 2097670), (650, 1258602), (780, 1048835), (975, 839068), (1300, 629301), (1950, 419534), (3900, 209767)]