153819940

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{601}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 330107904

約数和(自身を除く): 176287964

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 191, 268, 335, 382, 601, 670, 764, 955, 1202, 1340, 1910, 2404, 3005, 3820, 6010, 12020, 12797, 25594, 40267, 51188, 63985, 80534, 114791, 127970, 161068, 201335, 229582, 255940, 402670, 459164, 573955, 805340, 1147910, 2295820, 7690997, 15381994, 30763988, 38454985, 76909970, 153819940]

約数ペア:

[(1, 153819940), (2, 76909970), (4, 38454985), (5, 30763988), (10, 15381994), (20, 7690997), (67, 2295820), (134, 1147910), (191, 805340), (268, 573955), (335, 459164), (382, 402670), (601, 255940), (670, 229582), (764, 201335), (955, 161068), (1202, 127970), (1340, 114791), (1910, 80534), (2404, 63985), (3005, 51188), (3820, 40267), (6010, 25594), (12020, 12797)]