856728400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 180

約数和(自身を含む): 2339489152

約数和(自身を除く): 1482760752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 121, 124, 155, 176, 200, 220, 242, 248, 275, 310, 341, 400, 440, 484, 496, 550, 571, 605, 620, 682, 775, 880, 968, 1100, 1142, 1210, 1240, 1364, 1550, 1705, 1936, 2200, 2284, 2420, 2480, 2728, 2855, 3025, 3100, 3410, 3751, 4400, 4568, 4840, 5456, 5710, 6050, 6200, 6281, 6820, 7502, 8525, 9136, 9680, 11420, 12100, 12400, 12562, 13640, 14275, 15004, 17050, 17701, 18755, 22840, 24200, 25124, 27280, 28550, 30008, 31405, 34100, 35402, 37510, 45680, 48400, 50248, 57100, 60016, 62810, 68200, 69091, 70804, 75020, 88505, 93775, 100496, 114200, 125620, 136400, 138182, 141608, 150040, 157025, 177010, 187550, 194711, 228400, 251240, 276364, 283216, 300080, 314050, 345455, 354020, 375100, 389422, 442525, 502480, 552728, 628100, 690910, 708040, 750200, 778844, 885050, 973555, 1105456, 1256200, 1381820, 1416080, 1500400, 1557688, 1727275, 1770100, 1947110, 2141821, 2512400, 2763640, 3115376, 3454550, 3540200, 3894220, 4283642, 4867775, 5527280, 6909100, 7080400, 7788440, 8567284, 9735550, 10709105, 13818200, 15576880, 17134568, 19471100, 21418210, 27636400, 34269136, 38942200, 42836420, 53545525, 77884400, 85672840, 107091050, 171345680, 214182100, 428364200, 856728400]

約数ペア:

[(1, 856728400), (2, 428364200), (4, 214182100), (5, 171345680), (8, 107091050), (10, 85672840), (11, 77884400), (16, 53545525), (20, 42836420), (22, 38942200), (25, 34269136), (31, 27636400), (40, 21418210), (44, 19471100), (50, 17134568), (55, 15576880), (62, 13818200), (80, 10709105), (88, 9735550), (100, 8567284), (110, 7788440), (121, 7080400), (124, 6909100), (155, 5527280), (176, 4867775), (200, 4283642), (220, 3894220), (242, 3540200), (248, 3454550), (275, 3115376), (310, 2763640), (341, 2512400), (400, 2141821), (440, 1947110), (484, 1770100), (496, 1727275), (550, 1557688), (571, 1500400), (605, 1416080), (620, 1381820), (682, 1256200), (775, 1105456), (880, 973555), (968, 885050), (1100, 778844), (1142, 750200), (1210, 708040), (1240, 690910), (1364, 628100), (1550, 552728), (1705, 502480), (1936, 442525), (2200, 389422), (2284, 375100), (2420, 354020), (2480, 345455), (2728, 314050), (2855, 300080), (3025, 283216), (3100, 276364), (3410, 251240), (3751, 228400), (4400, 194711), (4568, 187550), (4840, 177010), (5456, 157025), (5710, 150040), (6050, 141608), (6200, 138182), (6281, 136400), (6820, 125620), (7502, 114200), (8525, 100496), (9136, 93775), (9680, 88505), (11420, 75020), (12100, 70804), (12400, 69091), (12562, 68200), (13640, 62810), (14275, 60016), (15004, 57100), (17050, 50248), (17701, 48400), (18755, 45680), (22840, 37510), (24200, 35402), (25124, 34100), (27280, 31405), (28550, 30008)]