222711440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12829}}^1$

素因数の和:12880

約数の個数: 80

約数和(自身を含む): 610913280

約数和(自身を除く): 388201840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12829, 17360, 25658, 51316, 64145, 89803, 102632, 128290, 179606, 205264, 256580, 359212, 397699, 449015, 513160, 718424, 795398, 898030, 1026320, 1436848, 1590796, 1796060, 1988495, 2783893, 3181592, 3592120, 3976990, 5567786, 6363184, 7184240, 7953980, 11135572, 13919465, 15907960, 22271144, 27838930, 31815920, 44542288, 55677860, 111355720, 222711440]

約数ペア:

[(1, 222711440), (2, 111355720), (4, 55677860), (5, 44542288), (7, 31815920), (8, 27838930), (10, 22271144), (14, 15907960), (16, 13919465), (20, 11135572), (28, 7953980), (31, 7184240), (35, 6363184), (40, 5567786), (56, 3976990), (62, 3592120), (70, 3181592), (80, 2783893), (112, 1988495), (124, 1796060), (140, 1590796), (155, 1436848), (217, 1026320), (248, 898030), (280, 795398), (310, 718424), (434, 513160), (496, 449015), (560, 397699), (620, 359212), (868, 256580), (1085, 205264), (1240, 179606), (1736, 128290), (2170, 102632), (2480, 89803), (3472, 64145), (4340, 51316), (8680, 25658), (12829, 17360)]