28915250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 70447104

約数和(自身を除く): 41531854

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 41, 50, 62, 65, 70, 82, 91, 125, 130, 155, 175, 182, 205, 217, 250, 287, 310, 325, 350, 403, 410, 434, 455, 533, 574, 650, 775, 806, 875, 910, 1025, 1066, 1085, 1271, 1435, 1550, 1625, 1750, 2015, 2050, 2170, 2275, 2542, 2665, 2821, 2870, 3250, 3731, 3875, 4030, 4550, 5125, 5330, 5425, 5642, 6355, 7175, 7462, 7750, 8897, 10075, 10250, 10850, 11375, 12710, 13325, 14105, 14350, 16523, 17794, 18655, 20150, 22750, 26650, 27125, 28210, 31775, 33046, 35875, 37310, 44485, 50375, 54250, 63550, 66625, 70525, 71750, 82615, 88970, 93275, 100750, 115661, 133250, 141050, 158875, 165230, 186550, 222425, 231322, 317750, 352625, 413075, 444850, 466375, 578305, 705250, 826150, 932750, 1112125, 1156610, 2065375, 2224250, 2891525, 4130750, 5783050, 14457625, 28915250]

約数ペア:

[(1, 28915250), (2, 14457625), (5, 5783050), (7, 4130750), (10, 2891525), (13, 2224250), (14, 2065375), (25, 1156610), (26, 1112125), (31, 932750), (35, 826150), (41, 705250), (50, 578305), (62, 466375), (65, 444850), (70, 413075), (82, 352625), (91, 317750), (125, 231322), (130, 222425), (155, 186550), (175, 165230), (182, 158875), (205, 141050), (217, 133250), (250, 115661), (287, 100750), (310, 93275), (325, 88970), (350, 82615), (403, 71750), (410, 70525), (434, 66625), (455, 63550), (533, 54250), (574, 50375), (650, 44485), (775, 37310), (806, 35875), (875, 33046), (910, 31775), (1025, 28210), (1066, 27125), (1085, 26650), (1271, 22750), (1435, 20150), (1550, 18655), (1625, 17794), (1750, 16523), (2015, 14350), (2050, 14105), (2170, 13325), (2275, 12710), (2542, 11375), (2665, 10850), (2821, 10250), (2870, 10075), (3250, 8897), (3731, 7750), (3875, 7462), (4030, 7175), (4550, 6355), (5125, 5642), (5330, 5425)]