212801900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2383}}^1$

素因数の和:2463

約数の個数: 72

約数和(自身を含む): 496634880

約数和(自身を除く): 283832980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 380, 470, 475, 893, 940, 950, 1175, 1786, 1900, 2350, 2383, 3572, 4465, 4700, 4766, 8930, 9532, 11915, 17860, 22325, 23830, 44650, 45277, 47660, 59575, 89300, 90554, 112001, 119150, 181108, 224002, 226385, 238300, 448004, 452770, 560005, 905540, 1120010, 1131925, 2128019, 2240020, 2263850, 2800025, 4256038, 4527700, 5600050, 8512076, 10640095, 11200100, 21280190, 42560380, 53200475, 106400950, 212801900]

約数ペア:

[(1, 212801900), (2, 106400950), (4, 53200475), (5, 42560380), (10, 21280190), (19, 11200100), (20, 10640095), (25, 8512076), (38, 5600050), (47, 4527700), (50, 4256038), (76, 2800025), (94, 2263850), (95, 2240020), (100, 2128019), (188, 1131925), (190, 1120010), (235, 905540), (380, 560005), (470, 452770), (475, 448004), (893, 238300), (940, 226385), (950, 224002), (1175, 181108), (1786, 119150), (1900, 112001), (2350, 90554), (2383, 89300), (3572, 59575), (4465, 47660), (4700, 45277), (4766, 44650), (8930, 23830), (9532, 22325), (11915, 17860)]