15481900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 40684896

約数和(自身を除く): 25202996

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1301, 1700, 2380, 2602, 2975, 5204, 5950, 6505, 9107, 11900, 13010, 18214, 22117, 26020, 32525, 36428, 44234, 45535, 65050, 88468, 91070, 110585, 130100, 154819, 182140, 221170, 227675, 309638, 442340, 455350, 552925, 619276, 774095, 910700, 1105850, 1548190, 2211700, 3096380, 3870475, 7740950, 15481900]

約数ペア:

[(1, 15481900), (2, 7740950), (4, 3870475), (5, 3096380), (7, 2211700), (10, 1548190), (14, 1105850), (17, 910700), (20, 774095), (25, 619276), (28, 552925), (34, 455350), (35, 442340), (50, 309638), (68, 227675), (70, 221170), (85, 182140), (100, 154819), (119, 130100), (140, 110585), (170, 91070), (175, 88468), (238, 65050), (340, 45535), (350, 44234), (425, 36428), (476, 32525), (595, 26020), (700, 22117), (850, 18214), (1190, 13010), (1301, 11900), (1700, 9107), (2380, 6505), (2602, 5950), (2975, 5204)]