201360100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 464032800

約数和(自身を除く): 262672700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 262, 380, 475, 524, 655, 809, 950, 1310, 1618, 1900, 2489, 2620, 3236, 3275, 4045, 4978, 6550, 8090, 9956, 12445, 13100, 15371, 16180, 20225, 24890, 30742, 40450, 49780, 61484, 62225, 76855, 80900, 105979, 124450, 153710, 211958, 248900, 307420, 384275, 423916, 529895, 768550, 1059790, 1537100, 2013601, 2119580, 2649475, 4027202, 5298950, 8054404, 10068005, 10597900, 20136010, 40272020, 50340025, 100680050, 201360100]

約数ペア:

[(1, 201360100), (2, 100680050), (4, 50340025), (5, 40272020), (10, 20136010), (19, 10597900), (20, 10068005), (25, 8054404), (38, 5298950), (50, 4027202), (76, 2649475), (95, 2119580), (100, 2013601), (131, 1537100), (190, 1059790), (262, 768550), (380, 529895), (475, 423916), (524, 384275), (655, 307420), (809, 248900), (950, 211958), (1310, 153710), (1618, 124450), (1900, 105979), (2489, 80900), (2620, 76855), (3236, 62225), (3275, 61484), (4045, 49780), (4978, 40450), (6550, 30742), (8090, 24890), (9956, 20225), (12445, 16180), (13100, 15371)]