420804970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1\times {\mathrm{1669}}^1$

素因数の和:3022

約数の個数: 32

約数和(自身を含む): 798393600

約数和(自身を除く): 377588630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1327, 1669, 2654, 3338, 6635, 8345, 13270, 16690, 25213, 31711, 50426, 63422, 126065, 158555, 252130, 317110, 2214763, 4429526, 11073815, 22147630, 42080497, 84160994, 210402485, 420804970]

約数ペア:

[(1, 420804970), (2, 210402485), (5, 84160994), (10, 42080497), (19, 22147630), (38, 11073815), (95, 4429526), (190, 2214763), (1327, 317110), (1669, 252130), (2654, 158555), (3338, 126065), (6635, 63422), (8345, 50426), (13270, 31711), (16690, 25213)]