407255320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 934691040

約数和(自身を除く): 527435720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 211, 292, 365, 422, 584, 661, 730, 844, 1055, 1322, 1460, 1688, 2110, 2644, 2920, 3305, 4220, 5288, 6610, 8440, 13220, 15403, 26440, 30806, 48253, 61612, 77015, 96506, 123224, 139471, 154030, 193012, 241265, 278942, 308060, 386024, 482530, 557884, 616120, 697355, 965060, 1115768, 1394710, 1930120, 2789420, 5578840, 10181383, 20362766, 40725532, 50906915, 81451064, 101813830, 203627660, 407255320]

約数ペア:

[(1, 407255320), (2, 203627660), (4, 101813830), (5, 81451064), (8, 50906915), (10, 40725532), (20, 20362766), (40, 10181383), (73, 5578840), (146, 2789420), (211, 1930120), (292, 1394710), (365, 1115768), (422, 965060), (584, 697355), (661, 616120), (730, 557884), (844, 482530), (1055, 386024), (1322, 308060), (1460, 278942), (1688, 241265), (2110, 193012), (2644, 154030), (2920, 139471), (3305, 123224), (4220, 96506), (5288, 77015), (6610, 61612), (8440, 48253), (13220, 30806), (15403, 26440)]