210380801900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1471}}^1\times {\mathrm{13121}}^1$

素因数の和:14715

約数の個数: 72

約数和(自身を含む): 461062990080

約数和(自身を除く): 250682188180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 1471, 2180, 2725, 2942, 5450, 5884, 7355, 10900, 13121, 14710, 26242, 29420, 36775, 52484, 65605, 73550, 131210, 147100, 160339, 262420, 320678, 328025, 641356, 656050, 801695, 1312100, 1430189, 1603390, 2860378, 3206780, 4008475, 5720756, 7150945, 8016950, 14301890, 16033900, 19300991, 28603780, 35754725, 38601982, 71509450, 77203964, 96504955, 143018900, 193009910, 386019820, 482524775, 965049550, 1930099100, 2103808019, 4207616038, 8415232076, 10519040095, 21038080190, 42076160380, 52595200475, 105190400950, 210380801900]

約数ペア:

[(1, 210380801900), (2, 105190400950), (4, 52595200475), (5, 42076160380), (10, 21038080190), (20, 10519040095), (25, 8415232076), (50, 4207616038), (100, 2103808019), (109, 1930099100), (218, 965049550), (436, 482524775), (545, 386019820), (1090, 193009910), (1471, 143018900), (2180, 96504955), (2725, 77203964), (2942, 71509450), (5450, 38601982), (5884, 35754725), (7355, 28603780), (10900, 19300991), (13121, 16033900), (14710, 14301890), (26242, 8016950), (29420, 7150945), (36775, 5720756), (52484, 4008475), (65605, 3206780), (73550, 2860378), (131210, 1603390), (147100, 1430189), (160339, 1312100), (262420, 801695), (320678, 656050), (328025, 641356)]