438501180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{562181}}^1$

素因数の和:562206

約数の個数: 48

約数和(自身を含む): 1322252064

約数和(自身を除く): 883750884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 562181, 1124362, 1686543, 2248724, 2810905, 3373086, 5621810, 6746172, 7308353, 8432715, 11243620, 14616706, 16865430, 21925059, 29233412, 33730860, 36541765, 43850118, 73083530, 87700236, 109625295, 146167060, 219250590, 438501180]

約数ペア:

[(1, 438501180), (2, 219250590), (3, 146167060), (4, 109625295), (5, 87700236), (6, 73083530), (10, 43850118), (12, 36541765), (13, 33730860), (15, 29233412), (20, 21925059), (26, 16865430), (30, 14616706), (39, 11243620), (52, 8432715), (60, 7308353), (65, 6746172), (78, 5621810), (130, 3373086), (156, 2810905), (195, 2248724), (260, 1686543), (390, 1124362), (780, 562181)]