253208930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 513451008

約数和(自身を除く): 260242078

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 83, 130, 155, 166, 310, 403, 415, 757, 806, 830, 1079, 1514, 2015, 2158, 2573, 3785, 4030, 5146, 5395, 7570, 9841, 10790, 12865, 19682, 23467, 25730, 33449, 46934, 49205, 62831, 66898, 98410, 117335, 125662, 167245, 234670, 305071, 314155, 334490, 610142, 628310, 816803, 1525355, 1633606, 1947761, 3050710, 3895522, 4084015, 8168030, 9738805, 19477610, 25320893, 50641786, 126604465, 253208930]

約数ペア:

[(1, 253208930), (2, 126604465), (5, 50641786), (10, 25320893), (13, 19477610), (26, 9738805), (31, 8168030), (62, 4084015), (65, 3895522), (83, 3050710), (130, 1947761), (155, 1633606), (166, 1525355), (310, 816803), (403, 628310), (415, 610142), (757, 334490), (806, 314155), (830, 305071), (1079, 234670), (1514, 167245), (2015, 125662), (2158, 117335), (2573, 98410), (3785, 66898), (4030, 62831), (5146, 49205), (5395, 46934), (7570, 33449), (9841, 25730), (10790, 23467), (12865, 19682)]