390375560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3793}}^1$

素因数の和:3918

約数の個数: 64

約数和(自身を含む): 917844480

約数和(自身を除く): 527468920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1660, 2573, 3320, 3793, 5146, 7586, 10292, 12865, 15172, 18965, 20584, 25730, 30344, 37930, 51460, 75860, 102920, 117583, 151720, 235166, 314819, 470332, 587915, 629638, 940664, 1175830, 1259276, 1574095, 2351660, 2518552, 3148190, 4703320, 6296380, 9759389, 12592760, 19518778, 39037556, 48796945, 78075112, 97593890, 195187780, 390375560]

約数ペア:

[(1, 390375560), (2, 195187780), (4, 97593890), (5, 78075112), (8, 48796945), (10, 39037556), (20, 19518778), (31, 12592760), (40, 9759389), (62, 6296380), (83, 4703320), (124, 3148190), (155, 2518552), (166, 2351660), (248, 1574095), (310, 1259276), (332, 1175830), (415, 940664), (620, 629638), (664, 587915), (830, 470332), (1240, 314819), (1660, 235166), (2573, 151720), (3320, 117583), (3793, 102920), (5146, 75860), (7586, 51460), (10292, 37930), (12865, 30344), (15172, 25730), (18965, 20584)]