84913940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 182138880

約数和(自身を除く): 97224940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 223, 241, 316, 395, 446, 482, 790, 892, 964, 1115, 1205, 1580, 2230, 2410, 4460, 4820, 17617, 19039, 35234, 38078, 53743, 70468, 76156, 88085, 95195, 107486, 176170, 190390, 214972, 268715, 352340, 380780, 537430, 1074860, 4245697, 8491394, 16982788, 21228485, 42456970, 84913940]

約数ペア:

[(1, 84913940), (2, 42456970), (4, 21228485), (5, 16982788), (10, 8491394), (20, 4245697), (79, 1074860), (158, 537430), (223, 380780), (241, 352340), (316, 268715), (395, 214972), (446, 190390), (482, 176170), (790, 107486), (892, 95195), (964, 88085), (1115, 76156), (1205, 70468), (1580, 53743), (2230, 38078), (2410, 35234), (4460, 19039), (4820, 17617)]