280554963700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{181789}}^1$

素因数の和:181898

約数の個数: 144

約数和(自身を含む): 704391166080

約数和(自身を除く): 423836202380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 61, 92, 100, 110, 115, 122, 220, 230, 244, 253, 275, 305, 460, 506, 550, 575, 610, 671, 1012, 1100, 1150, 1220, 1265, 1342, 1403, 1525, 2300, 2530, 2684, 2806, 3050, 3355, 5060, 5612, 6100, 6325, 6710, 7015, 12650, 13420, 14030, 15433, 16775, 25300, 28060, 30866, 33550, 35075, 61732, 67100, 70150, 77165, 140300, 154330, 181789, 308660, 363578, 385825, 727156, 771650, 908945, 1543300, 1817890, 1999679, 3635780, 3999358, 4181147, 4544725, 7998716, 8362294, 9089450, 9998395, 11089129, 16724588, 18178900, 19996790, 20905735, 22178258, 39993580, 41811470, 44356516, 45992617, 49991975, 55445645, 83622940, 91985234, 99983950, 104528675, 110891290, 121980419, 183970468, 199967900, 209057350, 221782580, 229963085, 243960838, 255049967, 277228225, 418114700, 459926170, 487921676, 510099934, 554456450, 609902095, 919852340, 1020199868, 1108912900, 1149815425, 1219804190, 1275249835, 2299630850, 2439608380, 2550499670, 2805549637, 3049510475, 4599261700, 5100999340, 5611099274, 6099020950, 6376249175, 11222198548, 12198041900, 12752498350, 14027748185, 25504996700, 28055496370, 56110992740, 70138740925, 140277481850, 280554963700]

約数ペア:

[(1, 280554963700), (2, 140277481850), (4, 70138740925), (5, 56110992740), (10, 28055496370), (11, 25504996700), (20, 14027748185), (22, 12752498350), (23, 12198041900), (25, 11222198548), (44, 6376249175), (46, 6099020950), (50, 5611099274), (55, 5100999340), (61, 4599261700), (92, 3049510475), (100, 2805549637), (110, 2550499670), (115, 2439608380), (122, 2299630850), (220, 1275249835), (230, 1219804190), (244, 1149815425), (253, 1108912900), (275, 1020199868), (305, 919852340), (460, 609902095), (506, 554456450), (550, 510099934), (575, 487921676), (610, 459926170), (671, 418114700), (1012, 277228225), (1100, 255049967), (1150, 243960838), (1220, 229963085), (1265, 221782580), (1342, 209057350), (1403, 199967900), (1525, 183970468), (2300, 121980419), (2530, 110891290), (2684, 104528675), (2806, 99983950), (3050, 91985234), (3355, 83622940), (5060, 55445645), (5612, 49991975), (6100, 45992617), (6325, 44356516), (6710, 41811470), (7015, 39993580), (12650, 22178258), (13420, 20905735), (14030, 19996790), (15433, 18178900), (16775, 16724588), (25300, 11089129), (28060, 9998395), (30866, 9089450), (33550, 8362294), (35075, 7998716), (61732, 4544725), (67100, 4181147), (70150, 3999358), (77165, 3635780), (140300, 1999679), (154330, 1817890), (181789, 1543300), (308660, 908945), (363578, 771650), (385825, 727156)]