178236422780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1\times {\mathrm{10487}}^1$

素因数の和:11139

約数の個数: 96

約数和(自身を含む): 407018304000

約数和(自身を除く): 228781881220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 499, 524, 655, 998, 1310, 1703, 1996, 2495, 2620, 3406, 4990, 6487, 6812, 8515, 9980, 10487, 12974, 17030, 20974, 25948, 32435, 34060, 41948, 52435, 64870, 65369, 104870, 129740, 130738, 136331, 209740, 261476, 272662, 326845, 545324, 653690, 681655, 849797, 1307380, 1363310, 1373797, 1699594, 2726620, 2747594, 3399188, 4248985, 5233013, 5495188, 6868985, 8497970, 10466026, 13737970, 16995940, 17859361, 20932052, 26165065, 27475940, 35718722, 52330130, 68029169, 71437444, 89296805, 104660260, 136058338, 178593610, 272116676, 340145845, 357187220, 680291690, 685524703, 1360583380, 1371049406, 2742098812, 3427623515, 6855247030, 8911821139, 13710494060, 17823642278, 35647284556, 44559105695, 89118211390, 178236422780]

約数ペア:

[(1, 178236422780), (2, 89118211390), (4, 44559105695), (5, 35647284556), (10, 17823642278), (13, 13710494060), (20, 8911821139), (26, 6855247030), (52, 3427623515), (65, 2742098812), (130, 1371049406), (131, 1360583380), (260, 685524703), (262, 680291690), (499, 357187220), (524, 340145845), (655, 272116676), (998, 178593610), (1310, 136058338), (1703, 104660260), (1996, 89296805), (2495, 71437444), (2620, 68029169), (3406, 52330130), (4990, 35718722), (6487, 27475940), (6812, 26165065), (8515, 20932052), (9980, 17859361), (10487, 16995940), (12974, 13737970), (17030, 10466026), (20974, 8497970), (25948, 6868985), (32435, 5495188), (34060, 5233013), (41948, 4248985), (52435, 3399188), (64870, 2747594), (65369, 2726620), (104870, 1699594), (129740, 1373797), (130738, 1363310), (136331, 1307380), (209740, 849797), (261476, 681655), (272662, 653690), (326845, 545324)]