31886100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:590

約数の個数: 108

約数和(自身を含む): 101556000

約数和(自身を除く): 69669900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 213, 225, 284, 300, 355, 426, 450, 499, 639, 710, 852, 900, 998, 1065, 1278, 1420, 1497, 1775, 1996, 2130, 2495, 2556, 2994, 3195, 3550, 4260, 4491, 4990, 5325, 5988, 6390, 7100, 7485, 8982, 9980, 10650, 12475, 12780, 14970, 15975, 17964, 21300, 22455, 24950, 29940, 31950, 35429, 37425, 44910, 49900, 63900, 70858, 74850, 89820, 106287, 112275, 141716, 149700, 177145, 212574, 224550, 318861, 354290, 425148, 449100, 531435, 637722, 708580, 885725, 1062870, 1275444, 1594305, 1771450, 2125740, 2657175, 3188610, 3542900, 5314350, 6377220, 7971525, 10628700, 15943050, 31886100]

約数ペア:

[(1, 31886100), (2, 15943050), (3, 10628700), (4, 7971525), (5, 6377220), (6, 5314350), (9, 3542900), (10, 3188610), (12, 2657175), (15, 2125740), (18, 1771450), (20, 1594305), (25, 1275444), (30, 1062870), (36, 885725), (45, 708580), (50, 637722), (60, 531435), (71, 449100), (75, 425148), (90, 354290), (100, 318861), (142, 224550), (150, 212574), (180, 177145), (213, 149700), (225, 141716), (284, 112275), (300, 106287), (355, 89820), (426, 74850), (450, 70858), (499, 63900), (639, 49900), (710, 44910), (852, 37425), (900, 35429), (998, 31950), (1065, 29940), (1278, 24950), (1420, 22455), (1497, 21300), (1775, 17964), (1996, 15975), (2130, 14970), (2495, 12780), (2556, 12475), (2994, 10650), (3195, 9980), (3550, 8982), (4260, 7485), (4491, 7100), (4990, 6390), (5325, 5988)]