374998720

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19211}}^1$

素因数の和:19289

約数の個数: 56

約数和(自身を含む): 907651728

約数和(自身を除く): 532653008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 19211, 19520, 38422, 76844, 96055, 153688, 192110, 307376, 384220, 614752, 768440, 1171871, 1229504, 1536880, 2343742, 3073760, 4687484, 5859355, 6147520, 9374968, 11718710, 18749936, 23437420, 37499872, 46874840, 74999744, 93749680, 187499360, 374998720]

約数ペア:

[(1, 374998720), (2, 187499360), (4, 93749680), (5, 74999744), (8, 46874840), (10, 37499872), (16, 23437420), (20, 18749936), (32, 11718710), (40, 9374968), (61, 6147520), (64, 5859355), (80, 4687484), (122, 3073760), (160, 2343742), (244, 1536880), (305, 1229504), (320, 1171871), (488, 768440), (610, 614752), (976, 384220), (1220, 307376), (1952, 192110), (2440, 153688), (3904, 96055), (4880, 76844), (9760, 38422), (19211, 19520)]