201780610

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 394377984

約数和(自身を除く): 192597374

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 131, 181, 185, 230, 262, 362, 370, 655, 851, 905, 1310, 1702, 1810, 3013, 4163, 4255, 4847, 6026, 6697, 8326, 8510, 9694, 13394, 15065, 20815, 23711, 24235, 30130, 33485, 41630, 47422, 48470, 66970, 111481, 118555, 154031, 222962, 237110, 308062, 545353, 557405, 770155, 877307, 1090706, 1114810, 1540310, 1754614, 2726765, 4386535, 5453530, 8773070, 20178061, 40356122, 100890305, 201780610]

約数ペア:

[(1, 201780610), (2, 100890305), (5, 40356122), (10, 20178061), (23, 8773070), (37, 5453530), (46, 4386535), (74, 2726765), (115, 1754614), (131, 1540310), (181, 1114810), (185, 1090706), (230, 877307), (262, 770155), (362, 557405), (370, 545353), (655, 308062), (851, 237110), (905, 222962), (1310, 154031), (1702, 118555), (1810, 111481), (3013, 66970), (4163, 48470), (4255, 47422), (4847, 41630), (6026, 33485), (6697, 30130), (8326, 24235), (8510, 23711), (9694, 20815), (13394, 15065)]