208773220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4057}}^1$

素因数の和:4180

約数の個数: 48

約数和(自身を含む): 458131968

約数和(自身を除く): 249358748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 2573, 4057, 5146, 8114, 10292, 12865, 16228, 20285, 25730, 40570, 51460, 81140, 125767, 251534, 336731, 503068, 628835, 673462, 1257670, 1346924, 1683655, 2515340, 3367310, 6734620, 10438661, 20877322, 41754644, 52193305, 104386610, 208773220]

約数ペア:

[(1, 208773220), (2, 104386610), (4, 52193305), (5, 41754644), (10, 20877322), (20, 10438661), (31, 6734620), (62, 3367310), (83, 2515340), (124, 1683655), (155, 1346924), (166, 1257670), (310, 673462), (332, 628835), (415, 503068), (620, 336731), (830, 251534), (1660, 125767), (2573, 81140), (4057, 51460), (5146, 40570), (8114, 25730), (10292, 20285), (12865, 16228)]