212084820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4889}}^1$

素因数の和:5145

約数の個数: 72

約数和(自身を含む): 646125480

約数和(自身を除く): 434040660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 2169, 2410, 2892, 3615, 4338, 4820, 4889, 7230, 8676, 9778, 10845, 14460, 14667, 19556, 21690, 24445, 29334, 43380, 44001, 48890, 58668, 73335, 88002, 97780, 146670, 176004, 220005, 293340, 440010, 880020, 1178249, 2356498, 3534747, 4712996, 5891245, 7069494, 10604241, 11782490, 14138988, 17673735, 21208482, 23564980, 35347470, 42416964, 53021205, 70694940, 106042410, 212084820]

約数ペア:

[(1, 212084820), (2, 106042410), (3, 70694940), (4, 53021205), (5, 42416964), (6, 35347470), (9, 23564980), (10, 21208482), (12, 17673735), (15, 14138988), (18, 11782490), (20, 10604241), (30, 7069494), (36, 5891245), (45, 4712996), (60, 3534747), (90, 2356498), (180, 1178249), (241, 880020), (482, 440010), (723, 293340), (964, 220005), (1205, 176004), (1446, 146670), (2169, 97780), (2410, 88002), (2892, 73335), (3615, 58668), (4338, 48890), (4820, 44001), (4889, 43380), (7230, 29334), (8676, 24445), (9778, 21690), (10845, 19556), (14460, 14667)]