13218100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 34247808

約数和(自身を除く): 21029708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 821, 1150, 1610, 1642, 2300, 3220, 3284, 4025, 4105, 5747, 8050, 8210, 11494, 16100, 16420, 18883, 20525, 22988, 28735, 37766, 41050, 57470, 75532, 82100, 94415, 114940, 132181, 143675, 188830, 264362, 287350, 377660, 472075, 528724, 574700, 660905, 944150, 1321810, 1888300, 2643620, 3304525, 6609050, 13218100]

約数ペア:

[(1, 13218100), (2, 6609050), (4, 3304525), (5, 2643620), (7, 1888300), (10, 1321810), (14, 944150), (20, 660905), (23, 574700), (25, 528724), (28, 472075), (35, 377660), (46, 287350), (50, 264362), (70, 188830), (92, 143675), (100, 132181), (115, 114940), (140, 94415), (161, 82100), (175, 75532), (230, 57470), (322, 41050), (350, 37766), (460, 28735), (575, 22988), (644, 20525), (700, 18883), (805, 16420), (821, 16100), (1150, 11494), (1610, 8210), (1642, 8050), (2300, 5747), (3220, 4105), (3284, 4025)]