81759800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 203893200

約数和(自身を除く): 122133400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 139, 170, 173, 200, 278, 340, 346, 425, 556, 680, 692, 695, 850, 865, 1112, 1384, 1390, 1700, 1730, 2363, 2780, 2941, 3400, 3460, 3475, 4325, 4726, 5560, 5882, 6920, 6950, 8650, 9452, 11764, 11815, 13900, 14705, 17300, 18904, 23528, 23630, 24047, 27800, 29410, 34600, 47260, 48094, 58820, 59075, 73525, 94520, 96188, 117640, 118150, 120235, 147050, 192376, 236300, 240470, 294100, 408799, 472600, 480940, 588200, 601175, 817598, 961880, 1202350, 1635196, 2043995, 2404700, 3270392, 4087990, 4809400, 8175980, 10219975, 16351960, 20439950, 40879900, 81759800]

約数ペア:

[(1, 81759800), (2, 40879900), (4, 20439950), (5, 16351960), (8, 10219975), (10, 8175980), (17, 4809400), (20, 4087990), (25, 3270392), (34, 2404700), (40, 2043995), (50, 1635196), (68, 1202350), (85, 961880), (100, 817598), (136, 601175), (139, 588200), (170, 480940), (173, 472600), (200, 408799), (278, 294100), (340, 240470), (346, 236300), (425, 192376), (556, 147050), (680, 120235), (692, 118150), (695, 117640), (850, 96188), (865, 94520), (1112, 73525), (1384, 59075), (1390, 58820), (1700, 48094), (1730, 47260), (2363, 34600), (2780, 29410), (2941, 27800), (3400, 24047), (3460, 23630), (3475, 23528), (4325, 18904), (4726, 17300), (5560, 14705), (5882, 13900), (6920, 11815), (6950, 11764), (8650, 9452)]