28896340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 72253440

約数和(自身を除く): 43357100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 223, 310, 341, 380, 418, 446, 589, 620, 682, 836, 892, 1045, 1115, 1178, 1364, 1705, 2090, 2230, 2356, 2453, 2945, 3410, 4180, 4237, 4460, 4906, 5890, 6479, 6820, 6913, 8474, 9812, 11780, 12265, 12958, 13826, 16948, 21185, 24530, 25916, 27652, 32395, 34565, 42370, 46607, 49060, 64790, 69130, 76043, 84740, 93214, 129580, 131347, 138260, 152086, 186428, 233035, 262694, 304172, 380215, 466070, 525388, 656735, 760430, 932140, 1313470, 1444817, 1520860, 2626940, 2889634, 5779268, 7224085, 14448170, 28896340]

約数ペア:

[(1, 28896340), (2, 14448170), (4, 7224085), (5, 5779268), (10, 2889634), (11, 2626940), (19, 1520860), (20, 1444817), (22, 1313470), (31, 932140), (38, 760430), (44, 656735), (55, 525388), (62, 466070), (76, 380215), (95, 304172), (110, 262694), (124, 233035), (155, 186428), (190, 152086), (209, 138260), (220, 131347), (223, 129580), (310, 93214), (341, 84740), (380, 76043), (418, 69130), (446, 64790), (589, 49060), (620, 46607), (682, 42370), (836, 34565), (892, 32395), (1045, 27652), (1115, 25916), (1178, 24530), (1364, 21185), (1705, 16948), (2090, 13826), (2230, 12958), (2356, 12265), (2453, 11780), (2945, 9812), (3410, 8474), (4180, 6913), (4237, 6820), (4460, 6479), (4906, 5890)]