2858900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 7124544

約数和(自身を除く): 4265644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 113, 115, 220, 226, 230, 253, 275, 452, 460, 506, 550, 565, 575, 1012, 1100, 1130, 1150, 1243, 1265, 2260, 2300, 2486, 2530, 2599, 2825, 4972, 5060, 5198, 5650, 6215, 6325, 10396, 11300, 12430, 12650, 12995, 24860, 25300, 25990, 28589, 31075, 51980, 57178, 62150, 64975, 114356, 124300, 129950, 142945, 259900, 285890, 571780, 714725, 1429450, 2858900]

約数ペア:

[(1, 2858900), (2, 1429450), (4, 714725), (5, 571780), (10, 285890), (11, 259900), (20, 142945), (22, 129950), (23, 124300), (25, 114356), (44, 64975), (46, 62150), (50, 57178), (55, 51980), (92, 31075), (100, 28589), (110, 25990), (113, 25300), (115, 24860), (220, 12995), (226, 12650), (230, 12430), (253, 11300), (275, 10396), (452, 6325), (460, 6215), (506, 5650), (550, 5198), (565, 5060), (575, 4972), (1012, 2825), (1100, 2599), (1130, 2530), (1150, 2486), (1243, 2300), (1265, 2260)]