208497510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 603832320

約数和(自身を除く): 395334810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 191, 195, 234, 270, 311, 351, 382, 390, 573, 585, 622, 702, 933, 955, 1146, 1170, 1555, 1719, 1755, 1866, 1910, 2483, 2799, 2865, 3110, 3438, 3510, 4043, 4665, 4966, 5157, 5598, 5730, 7449, 8086, 8397, 8595, 9330, 10314, 12129, 12415, 13995, 14898, 16794, 17190, 20215, 22347, 24258, 24830, 25785, 27990, 36387, 37245, 40430, 41985, 44694, 51570, 59401, 60645, 67041, 72774, 74490, 83970, 109161, 111735, 118802, 121290, 134082, 178203, 181935, 218322, 223470, 297005, 335205, 356406, 363870, 534609, 545805, 594010, 670410, 772213, 891015, 1069218, 1091610, 1544426, 1603827, 1782030, 2316639, 2673045, 3207654, 3861065, 4633278, 5346090, 6949917, 7722130, 8019135, 11583195, 13899834, 16038270, 20849751, 23166390, 34749585, 41699502, 69499170, 104248755, 208497510]

約数ペア:

[(1, 208497510), (2, 104248755), (3, 69499170), (5, 41699502), (6, 34749585), (9, 23166390), (10, 20849751), (13, 16038270), (15, 13899834), (18, 11583195), (26, 8019135), (27, 7722130), (30, 6949917), (39, 5346090), (45, 4633278), (54, 3861065), (65, 3207654), (78, 2673045), (90, 2316639), (117, 1782030), (130, 1603827), (135, 1544426), (191, 1091610), (195, 1069218), (234, 891015), (270, 772213), (311, 670410), (351, 594010), (382, 545805), (390, 534609), (573, 363870), (585, 356406), (622, 335205), (702, 297005), (933, 223470), (955, 218322), (1146, 181935), (1170, 178203), (1555, 134082), (1719, 121290), (1755, 118802), (1866, 111735), (1910, 109161), (2483, 83970), (2799, 74490), (2865, 72774), (3110, 67041), (3438, 60645), (3510, 59401), (4043, 51570), (4665, 44694), (4966, 41985), (5157, 40430), (5598, 37245), (5730, 36387), (7449, 27990), (8086, 25785), (8397, 24830), (8595, 24258), (9330, 22347), (10314, 20215), (12129, 17190), (12415, 16794), (13995, 14898)]