181967980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{593}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 390186720

約数和(自身を除く): 208218740

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 229, 268, 335, 458, 593, 670, 916, 1145, 1186, 1340, 2290, 2372, 2965, 4580, 5930, 11860, 15343, 30686, 39731, 61372, 76715, 79462, 135797, 153430, 158924, 198655, 271594, 306860, 397310, 543188, 678985, 794620, 1357970, 2715940, 9098399, 18196798, 36393596, 45491995, 90983990, 181967980]

約数ペア:

[(1, 181967980), (2, 90983990), (4, 45491995), (5, 36393596), (10, 18196798), (20, 9098399), (67, 2715940), (134, 1357970), (229, 794620), (268, 678985), (335, 543188), (458, 397310), (593, 306860), (670, 271594), (916, 198655), (1145, 158924), (1186, 153430), (1340, 135797), (2290, 79462), (2372, 76715), (2965, 61372), (4580, 39731), (5930, 30686), (11860, 15343)]