208759940

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1877}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 450539712

約数和(自身を除く): 241779772

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 332, 335, 415, 670, 830, 1340, 1660, 1877, 3754, 5561, 7508, 9385, 11122, 18770, 22244, 27805, 37540, 55610, 111220, 125759, 155791, 251518, 311582, 503036, 623164, 628795, 778955, 1257590, 1557910, 2515180, 3115820, 10437997, 20875994, 41751988, 52189985, 104379970, 208759940]

約数ペア:

[(1, 208759940), (2, 104379970), (4, 52189985), (5, 41751988), (10, 20875994), (20, 10437997), (67, 3115820), (83, 2515180), (134, 1557910), (166, 1257590), (268, 778955), (332, 628795), (335, 623164), (415, 503036), (670, 311582), (830, 251518), (1340, 155791), (1660, 125759), (1877, 111220), (3754, 55610), (5561, 37540), (7508, 27805), (9385, 22244), (11122, 18770)]