166688330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 328648320

約数和(自身を除く): 161959990

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 131, 181, 185, 190, 262, 362, 370, 655, 703, 905, 1310, 1406, 1810, 2489, 3439, 3515, 4847, 4978, 6697, 6878, 7030, 9694, 12445, 13394, 17195, 23711, 24235, 24890, 33485, 34390, 47422, 48470, 66970, 92093, 118555, 127243, 184186, 237110, 254486, 450509, 460465, 636215, 877307, 901018, 920930, 1272430, 1754614, 2252545, 4386535, 4505090, 8773070, 16668833, 33337666, 83344165, 166688330]

約数ペア:

[(1, 166688330), (2, 83344165), (5, 33337666), (10, 16668833), (19, 8773070), (37, 4505090), (38, 4386535), (74, 2252545), (95, 1754614), (131, 1272430), (181, 920930), (185, 901018), (190, 877307), (262, 636215), (362, 460465), (370, 450509), (655, 254486), (703, 237110), (905, 184186), (1310, 127243), (1406, 118555), (1810, 92093), (2489, 66970), (3439, 48470), (3515, 47422), (4847, 34390), (4978, 33485), (6697, 24890), (6878, 24235), (7030, 23711), (9694, 17195), (12445, 13394)]