78364220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 198567936

約数和(自身を除く): 120203716

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 170, 187, 220, 230, 253, 340, 374, 391, 460, 506, 748, 782, 911, 935, 1012, 1265, 1564, 1822, 1870, 1955, 2530, 3644, 3740, 3910, 4301, 4555, 5060, 7820, 8602, 9110, 10021, 15487, 17204, 18220, 20042, 20953, 21505, 30974, 40084, 41906, 43010, 50105, 61948, 77435, 83812, 86020, 100210, 104765, 154870, 170357, 200420, 209530, 230483, 309740, 340714, 356201, 419060, 460966, 681428, 712402, 851785, 921932, 1152415, 1424804, 1703570, 1781005, 2304830, 3407140, 3562010, 3918211, 4609660, 7124020, 7836422, 15672844, 19591055, 39182110, 78364220]

約数ペア:

[(1, 78364220), (2, 39182110), (4, 19591055), (5, 15672844), (10, 7836422), (11, 7124020), (17, 4609660), (20, 3918211), (22, 3562010), (23, 3407140), (34, 2304830), (44, 1781005), (46, 1703570), (55, 1424804), (68, 1152415), (85, 921932), (92, 851785), (110, 712402), (115, 681428), (170, 460966), (187, 419060), (220, 356201), (230, 340714), (253, 309740), (340, 230483), (374, 209530), (391, 200420), (460, 170357), (506, 154870), (748, 104765), (782, 100210), (911, 86020), (935, 83812), (1012, 77435), (1265, 61948), (1564, 50105), (1822, 43010), (1870, 41906), (1955, 40084), (2530, 30974), (3644, 21505), (3740, 20953), (3910, 20042), (4301, 18220), (4555, 17204), (5060, 15487), (7820, 10021), (8602, 9110)]