78587090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 158630400

約数和(自身を除く): 80043310

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 101, 115, 170, 199, 202, 230, 391, 398, 505, 782, 995, 1010, 1717, 1955, 1990, 2323, 3383, 3434, 3910, 4577, 4646, 6766, 8585, 9154, 11615, 16915, 17170, 20099, 22885, 23230, 33830, 39491, 40198, 45770, 77809, 78982, 100495, 155618, 197455, 200990, 341683, 389045, 394910, 462277, 683366, 778090, 924554, 1708415, 2311385, 3416830, 4622770, 7858709, 15717418, 39293545, 78587090]

約数ペア:

[(1, 78587090), (2, 39293545), (5, 15717418), (10, 7858709), (17, 4622770), (23, 3416830), (34, 2311385), (46, 1708415), (85, 924554), (101, 778090), (115, 683366), (170, 462277), (199, 394910), (202, 389045), (230, 341683), (391, 200990), (398, 197455), (505, 155618), (782, 100495), (995, 78982), (1010, 77809), (1717, 45770), (1955, 40198), (1990, 39491), (2323, 33830), (3383, 23230), (3434, 22885), (3910, 20099), (4577, 17170), (4646, 16915), (6766, 11615), (8585, 9154)]