28156050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4813}}^1$

素因数の和:4844

約数の個数: 72

約数和(自身を含む): 81481764

約数和(自身を除く): 53325714

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 4813, 5850, 9626, 14439, 24065, 28878, 43317, 48130, 62569, 72195, 86634, 120325, 125138, 144390, 187707, 216585, 240650, 312845, 360975, 375414, 433170, 563121, 625690, 721950, 938535, 1082925, 1126242, 1564225, 1877070, 2165850, 2815605, 3128450, 4692675, 5631210, 9385350, 14078025, 28156050]

約数ペア:

[(1, 28156050), (2, 14078025), (3, 9385350), (5, 5631210), (6, 4692675), (9, 3128450), (10, 2815605), (13, 2165850), (15, 1877070), (18, 1564225), (25, 1126242), (26, 1082925), (30, 938535), (39, 721950), (45, 625690), (50, 563121), (65, 433170), (75, 375414), (78, 360975), (90, 312845), (117, 240650), (130, 216585), (150, 187707), (195, 144390), (225, 125138), (234, 120325), (325, 86634), (390, 72195), (450, 62569), (585, 48130), (650, 43317), (975, 28878), (1170, 24065), (1950, 14439), (2925, 9626), (4813, 5850)]