28305170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 57480192

約数和(自身を除く): 29175022

約数列:

[1, 2, 5, 10, 17, 31, 34, 41, 62, 82, 85, 131, 155, 170, 205, 262, 310, 410, 527, 655, 697, 1054, 1271, 1310, 1394, 2227, 2542, 2635, 3485, 4061, 4454, 5270, 5371, 6355, 6970, 8122, 10742, 11135, 12710, 20305, 21607, 22270, 26855, 40610, 43214, 53710, 69037, 91307, 108035, 138074, 166501, 182614, 216070, 333002, 345185, 456535, 690370, 832505, 913070, 1665010, 2830517, 5661034, 14152585, 28305170]

約数ペア:

[(1, 28305170), (2, 14152585), (5, 5661034), (10, 2830517), (17, 1665010), (31, 913070), (34, 832505), (41, 690370), (62, 456535), (82, 345185), (85, 333002), (131, 216070), (155, 182614), (170, 166501), (205, 138074), (262, 108035), (310, 91307), (410, 69037), (527, 53710), (655, 43214), (697, 40610), (1054, 26855), (1271, 22270), (1310, 21607), (1394, 20305), (2227, 12710), (2542, 11135), (2635, 10742), (3485, 8122), (4061, 6970), (4454, 6355), (5270, 5371)]