287759940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19417}}^1$

素因数の和:19461

約数の個数: 96

約数和(自身を含む): 913422720

約数和(自身を除く): 625662780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 14820, 19417, 38834, 58251, 77668, 97085, 116502, 194170, 233004, 252421, 291255, 368923, 388340, 504842, 582510, 737846, 757263, 1009684, 1106769, 1165020, 1262105, 1475692, 1514526, 1844615, 2213538, 2524210, 3029052, 3689230, 3786315, 4427076, 4795999, 5048420, 5533845, 7378460, 7572630, 9591998, 11067690, 14387997, 15145260, 19183996, 22135380, 23979995, 28775994, 47959990, 57551988, 71939985, 95919980, 143879970, 287759940]

約数ペア:

[(1, 287759940), (2, 143879970), (3, 95919980), (4, 71939985), (5, 57551988), (6, 47959990), (10, 28775994), (12, 23979995), (13, 22135380), (15, 19183996), (19, 15145260), (20, 14387997), (26, 11067690), (30, 9591998), (38, 7572630), (39, 7378460), (52, 5533845), (57, 5048420), (60, 4795999), (65, 4427076), (76, 3786315), (78, 3689230), (95, 3029052), (114, 2524210), (130, 2213538), (156, 1844615), (190, 1514526), (195, 1475692), (228, 1262105), (247, 1165020), (260, 1106769), (285, 1009684), (380, 757263), (390, 737846), (494, 582510), (570, 504842), (741, 388340), (780, 368923), (988, 291255), (1140, 252421), (1235, 233004), (1482, 194170), (2470, 116502), (2964, 97085), (3705, 77668), (4940, 58251), (7410, 38834), (14820, 19417)]