1208145900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{309781}}^1$

素因数の和:309811

約数の個数: 72

約数和(自身を含む): 3764470864

約数和(自身を除く): 2556324964

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, 309781, 619562, 929343, 1239124, 1548905, 1858686, 3097810, 3717372, 4027153, 4646715, 6195620, 7744525, 8054306, 9293430, 12081459, 15489050, 16108612, 18586860, 20135765, 23233575, 24162918, 30978100, 40271530, 46467150, 48325836, 60407295, 80543060, 92934300, 100678825, 120814590, 201357650, 241629180, 302036475, 402715300, 604072950, 1208145900]

約数ペア:

[(1, 1208145900), (2, 604072950), (3, 402715300), (4, 302036475), (5, 241629180), (6, 201357650), (10, 120814590), (12, 100678825), (13, 92934300), (15, 80543060), (20, 60407295), (25, 48325836), (26, 46467150), (30, 40271530), (39, 30978100), (50, 24162918), (52, 23233575), (60, 20135765), (65, 18586860), (75, 16108612), (78, 15489050), (100, 12081459), (130, 9293430), (150, 8054306), (156, 7744525), (195, 6195620), (260, 4646715), (300, 4027153), (325, 3717372), (390, 3097810), (650, 1858686), (780, 1548905), (975, 1239124), (1300, 929343), (1950, 619562), (3900, 309781)]