420654390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7873}}^1$

素因数の和:8033

約数の個数: 64

約数和(自身を含む): 1095304896

約数和(自身を除く): 674650506

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 137, 195, 274, 390, 411, 685, 822, 1370, 1781, 2055, 3562, 4110, 5343, 7873, 8905, 10686, 15746, 17810, 23619, 26715, 39365, 47238, 53430, 78730, 102349, 118095, 204698, 236190, 307047, 511745, 614094, 1023490, 1078601, 1535235, 2157202, 3070470, 3235803, 5393005, 6471606, 10786010, 14021813, 16179015, 28043626, 32358030, 42065439, 70109065, 84130878, 140218130, 210327195, 420654390]

約数ペア:

[(1, 420654390), (2, 210327195), (3, 140218130), (5, 84130878), (6, 70109065), (10, 42065439), (13, 32358030), (15, 28043626), (26, 16179015), (30, 14021813), (39, 10786010), (65, 6471606), (78, 5393005), (130, 3235803), (137, 3070470), (195, 2157202), (274, 1535235), (390, 1078601), (411, 1023490), (685, 614094), (822, 511745), (1370, 307047), (1781, 236190), (2055, 204698), (3562, 118095), (4110, 102349), (5343, 78730), (7873, 53430), (8905, 47238), (10686, 39365), (15746, 26715), (17810, 23619)]