162556400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 418150320

約数和(自身を除く): 255593920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 73, 76, 80, 95, 100, 146, 152, 190, 200, 292, 293, 304, 365, 380, 400, 475, 584, 586, 730, 760, 950, 1168, 1172, 1387, 1460, 1465, 1520, 1825, 1900, 2344, 2774, 2920, 2930, 3650, 3800, 4688, 5548, 5567, 5840, 5860, 6935, 7300, 7325, 7600, 11096, 11134, 11720, 13870, 14600, 14650, 21389, 22192, 22268, 23440, 27740, 27835, 29200, 29300, 34675, 42778, 44536, 55480, 55670, 58600, 69350, 85556, 89072, 106945, 110960, 111340, 117200, 138700, 139175, 171112, 213890, 222680, 277400, 278350, 342224, 406391, 427780, 445360, 534725, 554800, 556700, 812782, 855560, 1069450, 1113400, 1625564, 1711120, 2031955, 2138900, 2226800, 3251128, 4063910, 4277800, 6502256, 8127820, 8555600, 10159775, 16255640, 20319550, 32511280, 40639100, 81278200, 162556400]

約数ペア:

[(1, 162556400), (2, 81278200), (4, 40639100), (5, 32511280), (8, 20319550), (10, 16255640), (16, 10159775), (19, 8555600), (20, 8127820), (25, 6502256), (38, 4277800), (40, 4063910), (50, 3251128), (73, 2226800), (76, 2138900), (80, 2031955), (95, 1711120), (100, 1625564), (146, 1113400), (152, 1069450), (190, 855560), (200, 812782), (292, 556700), (293, 554800), (304, 534725), (365, 445360), (380, 427780), (400, 406391), (475, 342224), (584, 278350), (586, 277400), (730, 222680), (760, 213890), (950, 171112), (1168, 139175), (1172, 138700), (1387, 117200), (1460, 111340), (1465, 110960), (1520, 106945), (1825, 89072), (1900, 85556), (2344, 69350), (2774, 58600), (2920, 55670), (2930, 55480), (3650, 44536), (3800, 42778), (4688, 34675), (5548, 29300), (5567, 29200), (5840, 27835), (5860, 27740), (6935, 23440), (7300, 22268), (7325, 22192), (7600, 21389), (11096, 14650), (11134, 14600), (11720, 13870)]