16887850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 37467468

約数和(自身を除く): 20579618

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 113, 122, 175, 226, 245, 305, 350, 427, 490, 565, 610, 791, 854, 1130, 1225, 1525, 1582, 2135, 2450, 2825, 2989, 3050, 3955, 4270, 5537, 5650, 5978, 6893, 7910, 10675, 11074, 13786, 14945, 19775, 21350, 27685, 29890, 34465, 39550, 48251, 55370, 68930, 74725, 96502, 138425, 149450, 172325, 241255, 276850, 337757, 344650, 482510, 675514, 1206275, 1688785, 2412550, 3377570, 8443925, 16887850]

約数ペア:

[(1, 16887850), (2, 8443925), (5, 3377570), (7, 2412550), (10, 1688785), (14, 1206275), (25, 675514), (35, 482510), (49, 344650), (50, 337757), (61, 276850), (70, 241255), (98, 172325), (113, 149450), (122, 138425), (175, 96502), (226, 74725), (245, 68930), (305, 55370), (350, 48251), (427, 39550), (490, 34465), (565, 29890), (610, 27685), (791, 21350), (854, 19775), (1130, 14945), (1225, 13786), (1525, 11074), (1582, 10675), (2135, 7910), (2450, 6893), (2825, 5978), (2989, 5650), (3050, 5537), (3955, 4270)]