408198180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1249}}^1$

素因数の和:1693

約数の個数: 96

約数和(自身を含む): 1234800000

約数和(自身を除く): 826601820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 419, 780, 838, 1249, 1257, 1676, 2095, 2498, 2514, 3747, 4190, 4996, 5028, 5447, 6245, 6285, 7494, 8380, 10894, 12490, 12570, 14988, 16237, 16341, 18735, 21788, 24980, 25140, 27235, 32474, 32682, 37470, 48711, 54470, 64948, 65364, 74940, 81185, 81705, 97422, 108940, 162370, 163410, 194844, 243555, 324740, 326820, 487110, 523331, 974220, 1046662, 1569993, 2093324, 2616655, 3139986, 5233310, 6279972, 6803303, 7849965, 10466620, 13606606, 15699930, 20409909, 27213212, 31399860, 34016515, 40819818, 68033030, 81639636, 102049545, 136066060, 204099090, 408198180]

約数ペア:

[(1, 408198180), (2, 204099090), (3, 136066060), (4, 102049545), (5, 81639636), (6, 68033030), (10, 40819818), (12, 34016515), (13, 31399860), (15, 27213212), (20, 20409909), (26, 15699930), (30, 13606606), (39, 10466620), (52, 7849965), (60, 6803303), (65, 6279972), (78, 5233310), (130, 3139986), (156, 2616655), (195, 2093324), (260, 1569993), (390, 1046662), (419, 974220), (780, 523331), (838, 487110), (1249, 326820), (1257, 324740), (1676, 243555), (2095, 194844), (2498, 163410), (2514, 162370), (3747, 108940), (4190, 97422), (4996, 81705), (5028, 81185), (5447, 74940), (6245, 65364), (6285, 64948), (7494, 54470), (8380, 48711), (10894, 37470), (12490, 32682), (12570, 32474), (14988, 27235), (16237, 25140), (16341, 24980), (18735, 21788)]