253780410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 691004160

約数和(自身を除く): 437223750

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 43, 65, 74, 78, 86, 111, 129, 130, 185, 195, 215, 222, 258, 370, 390, 409, 430, 481, 555, 559, 645, 818, 962, 1110, 1118, 1227, 1290, 1443, 1591, 1677, 2045, 2405, 2454, 2795, 2886, 3182, 3354, 4090, 4773, 4810, 5317, 5590, 6135, 7215, 7955, 8385, 9546, 10634, 12270, 14430, 15133, 15910, 15951, 16770, 17587, 20683, 23865, 26585, 30266, 31902, 35174, 41366, 45399, 47730, 52761, 53170, 62049, 75665, 79755, 87935, 90798, 103415, 105522, 124098, 151330, 159510, 175870, 196729, 206830, 226995, 228631, 263805, 310245, 393458, 453990, 457262, 527610, 590187, 620490, 650719, 685893, 983645, 1143155, 1180374, 1301438, 1371786, 1952157, 1967290, 2286310, 2950935, 3253595, 3429465, 3904314, 5901870, 6507190, 6858930, 8459347, 9760785, 16918694, 19521570, 25378041, 42296735, 50756082, 84593470, 126890205, 253780410]

約数ペア:

[(1, 253780410), (2, 126890205), (3, 84593470), (5, 50756082), (6, 42296735), (10, 25378041), (13, 19521570), (15, 16918694), (26, 9760785), (30, 8459347), (37, 6858930), (39, 6507190), (43, 5901870), (65, 3904314), (74, 3429465), (78, 3253595), (86, 2950935), (111, 2286310), (129, 1967290), (130, 1952157), (185, 1371786), (195, 1301438), (215, 1180374), (222, 1143155), (258, 983645), (370, 685893), (390, 650719), (409, 620490), (430, 590187), (481, 527610), (555, 457262), (559, 453990), (645, 393458), (818, 310245), (962, 263805), (1110, 228631), (1118, 226995), (1227, 206830), (1290, 196729), (1443, 175870), (1591, 159510), (1677, 151330), (2045, 124098), (2405, 105522), (2454, 103415), (2795, 90798), (2886, 87935), (3182, 79755), (3354, 75665), (4090, 62049), (4773, 53170), (4810, 52761), (5317, 47730), (5590, 45399), (6135, 41366), (7215, 35174), (7955, 31902), (8385, 30266), (9546, 26585), (10634, 23865), (12270, 20683), (14430, 17587), (15133, 16770), (15910, 15951)]