204702990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1231}}^1$

素因数の和:1505

約数の個数: 64

約数和(自身を含む): 515192832

約数和(自身を除く): 310489842

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 241, 345, 482, 690, 723, 1205, 1231, 1446, 2410, 2462, 3615, 3693, 5543, 6155, 7230, 7386, 11086, 12310, 16629, 18465, 27715, 28313, 33258, 36930, 55430, 56626, 83145, 84939, 141565, 166290, 169878, 283130, 296671, 424695, 593342, 849390, 890013, 1483355, 1780026, 2966710, 4450065, 6823433, 8900130, 13646866, 20470299, 34117165, 40940598, 68234330, 102351495, 204702990]

約数ペア:

[(1, 204702990), (2, 102351495), (3, 68234330), (5, 40940598), (6, 34117165), (10, 20470299), (15, 13646866), (23, 8900130), (30, 6823433), (46, 4450065), (69, 2966710), (115, 1780026), (138, 1483355), (230, 890013), (241, 849390), (345, 593342), (482, 424695), (690, 296671), (723, 283130), (1205, 169878), (1231, 166290), (1446, 141565), (2410, 84939), (2462, 83145), (3615, 56626), (3693, 55430), (5543, 36930), (6155, 33258), (7230, 28313), (7386, 27715), (11086, 18465), (12310, 16629)]