87401380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{751}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 209591424

約数和(自身を除く): 122190044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 529, 751, 1012, 1058, 1265, 1502, 2116, 2530, 2645, 3004, 3755, 5060, 5290, 5819, 7510, 8261, 10580, 11638, 15020, 16522, 17273, 23276, 29095, 33044, 34546, 41305, 58190, 69092, 82610, 86365, 116380, 165220, 172730, 190003, 345460, 380006, 397279, 760012, 794558, 950015, 1589116, 1900030, 1986395, 3800060, 3972790, 4370069, 7945580, 8740138, 17480276, 21850345, 43700690, 87401380]

約数ペア:

[(1, 87401380), (2, 43700690), (4, 21850345), (5, 17480276), (10, 8740138), (11, 7945580), (20, 4370069), (22, 3972790), (23, 3800060), (44, 1986395), (46, 1900030), (55, 1589116), (92, 950015), (110, 794558), (115, 760012), (220, 397279), (230, 380006), (253, 345460), (460, 190003), (506, 172730), (529, 165220), (751, 116380), (1012, 86365), (1058, 82610), (1265, 69092), (1502, 58190), (2116, 41305), (2530, 34546), (2645, 33044), (3004, 29095), (3755, 23276), (5060, 17273), (5290, 16522), (5819, 15020), (7510, 11638), (8261, 10580)]