61115900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 138522384

約数和(自身を除く): 77406484

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 61, 86, 100, 122, 172, 215, 233, 244, 305, 430, 466, 610, 860, 932, 1075, 1165, 1220, 1525, 2150, 2330, 2623, 3050, 4300, 4660, 5246, 5825, 6100, 10019, 10492, 11650, 13115, 14213, 20038, 23300, 26230, 28426, 40076, 50095, 52460, 56852, 65575, 71065, 100190, 131150, 142130, 200380, 250475, 262300, 284260, 355325, 500950, 611159, 710650, 1001900, 1222318, 1421300, 2444636, 3055795, 6111590, 12223180, 15278975, 30557950, 61115900]

約数ペア:

[(1, 61115900), (2, 30557950), (4, 15278975), (5, 12223180), (10, 6111590), (20, 3055795), (25, 2444636), (43, 1421300), (50, 1222318), (61, 1001900), (86, 710650), (100, 611159), (122, 500950), (172, 355325), (215, 284260), (233, 262300), (244, 250475), (305, 200380), (430, 142130), (466, 131150), (610, 100190), (860, 71065), (932, 65575), (1075, 56852), (1165, 52460), (1220, 50095), (1525, 40076), (2150, 28426), (2330, 26230), (2623, 23300), (3050, 20038), (4300, 14213), (4660, 13115), (5246, 11650), (5825, 10492), (6100, 10019)]