30807940

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 66693312

約数和(自身を除く): 35885372

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 277, 332, 335, 415, 554, 670, 830, 1108, 1340, 1385, 1660, 2770, 5540, 5561, 11122, 18559, 22244, 22991, 27805, 37118, 45982, 55610, 74236, 91964, 92795, 111220, 114955, 185590, 229910, 371180, 459820, 1540397, 3080794, 6161588, 7701985, 15403970, 30807940]

約数ペア:

[(1, 30807940), (2, 15403970), (4, 7701985), (5, 6161588), (10, 3080794), (20, 1540397), (67, 459820), (83, 371180), (134, 229910), (166, 185590), (268, 114955), (277, 111220), (332, 92795), (335, 91964), (415, 74236), (554, 55610), (670, 45982), (830, 37118), (1108, 27805), (1340, 22991), (1385, 22244), (1660, 18559), (2770, 11122), (5540, 5561)]