161305300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{743}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 379725696

約数和(自身を除く): 218420396

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 167, 260, 325, 334, 650, 668, 743, 835, 1300, 1486, 1670, 2171, 2972, 3340, 3715, 4175, 4342, 7430, 8350, 8684, 9659, 10855, 14860, 16700, 18575, 19318, 21710, 37150, 38636, 43420, 48295, 54275, 74300, 96590, 108550, 124081, 193180, 217100, 241475, 248162, 482950, 496324, 620405, 965900, 1240810, 1613053, 2481620, 3102025, 3226106, 6204050, 6452212, 8065265, 12408100, 16130530, 32261060, 40326325, 80652650, 161305300]

約数ペア:

[(1, 161305300), (2, 80652650), (4, 40326325), (5, 32261060), (10, 16130530), (13, 12408100), (20, 8065265), (25, 6452212), (26, 6204050), (50, 3226106), (52, 3102025), (65, 2481620), (100, 1613053), (130, 1240810), (167, 965900), (260, 620405), (325, 496324), (334, 482950), (650, 248162), (668, 241475), (743, 217100), (835, 193180), (1300, 124081), (1486, 108550), (1670, 96590), (2171, 74300), (2972, 54275), (3340, 48295), (3715, 43420), (4175, 38636), (4342, 37150), (7430, 21710), (8350, 19318), (8684, 18575), (9659, 16700), (10855, 14860)]