12990097900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{232381}}^1$

素因数の和:232451

約数の個数: 72

約数和(自身を含む): 31062966704

約数和(自身を除く): 18072868804

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1300, 2150, 2236, 2795, 4300, 5590, 11180, 13975, 27950, 55900, 232381, 464762, 929524, 1161905, 2323810, 3020953, 4647620, 5809525, 6041906, 9992383, 11619050, 12083812, 15104765, 19984766, 23238100, 30209530, 39969532, 49961915, 60419060, 75523825, 99923830, 129900979, 151047650, 199847660, 249809575, 259801958, 302095300, 499619150, 519603916, 649504895, 999238300, 1299009790, 2598019580, 3247524475, 6495048950, 12990097900]

約数ペア:

[(1, 12990097900), (2, 6495048950), (4, 3247524475), (5, 2598019580), (10, 1299009790), (13, 999238300), (20, 649504895), (25, 519603916), (26, 499619150), (43, 302095300), (50, 259801958), (52, 249809575), (65, 199847660), (86, 151047650), (100, 129900979), (130, 99923830), (172, 75523825), (215, 60419060), (260, 49961915), (325, 39969532), (430, 30209530), (559, 23238100), (650, 19984766), (860, 15104765), (1075, 12083812), (1118, 11619050), (1300, 9992383), (2150, 6041906), (2236, 5809525), (2795, 4647620), (4300, 3020953), (5590, 2323810), (11180, 1161905), (13975, 929524), (27950, 464762), (55900, 232381)]