16780950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:526

約数の個数: 72

約数和(自身を含む): 45700200

約数和(自身を除く): 28919250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 89, 90, 150, 178, 225, 267, 419, 445, 450, 534, 801, 838, 890, 1257, 1335, 1602, 2095, 2225, 2514, 2670, 3771, 4005, 4190, 4450, 6285, 6675, 7542, 8010, 10475, 12570, 13350, 18855, 20025, 20950, 31425, 37291, 37710, 40050, 62850, 74582, 94275, 111873, 186455, 188550, 223746, 335619, 372910, 559365, 671238, 932275, 1118730, 1678095, 1864550, 2796825, 3356190, 5593650, 8390475, 16780950]

約数ペア:

[(1, 16780950), (2, 8390475), (3, 5593650), (5, 3356190), (6, 2796825), (9, 1864550), (10, 1678095), (15, 1118730), (18, 932275), (25, 671238), (30, 559365), (45, 372910), (50, 335619), (75, 223746), (89, 188550), (90, 186455), (150, 111873), (178, 94275), (225, 74582), (267, 62850), (419, 40050), (445, 37710), (450, 37291), (534, 31425), (801, 20950), (838, 20025), (890, 18855), (1257, 13350), (1335, 12570), (1602, 10475), (2095, 8010), (2225, 7542), (2514, 6675), (2670, 6285), (3771, 4450), (4005, 4190)]