2405910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 6451200

約数和(自身を除く): 4045290

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 199, 310, 390, 398, 403, 465, 597, 806, 930, 995, 1194, 1209, 1990, 2015, 2418, 2587, 2985, 4030, 5174, 5970, 6045, 6169, 7761, 12090, 12338, 12935, 15522, 18507, 25870, 30845, 37014, 38805, 61690, 77610, 80197, 92535, 160394, 185070, 240591, 400985, 481182, 801970, 1202955, 2405910]

約数ペア:

[(1, 2405910), (2, 1202955), (3, 801970), (5, 481182), (6, 400985), (10, 240591), (13, 185070), (15, 160394), (26, 92535), (30, 80197), (31, 77610), (39, 61690), (62, 38805), (65, 37014), (78, 30845), (93, 25870), (130, 18507), (155, 15522), (186, 12935), (195, 12338), (199, 12090), (310, 7761), (390, 6169), (398, 6045), (403, 5970), (465, 5174), (597, 4030), (806, 2985), (930, 2587), (995, 2418), (1194, 2015), (1209, 1990)]