203421070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 391288320

約数和(自身を除く): 187867250

約数列:

[1, 2, 5, 10, 31, 62, 73, 89, 101, 146, 155, 178, 202, 310, 365, 445, 505, 730, 890, 1010, 2263, 2759, 3131, 4526, 5518, 6262, 6497, 7373, 8989, 11315, 12994, 13795, 14746, 15655, 17978, 22630, 27590, 31310, 32485, 36865, 44945, 64970, 73730, 89890, 201407, 228563, 278659, 402814, 457126, 557318, 656197, 1007035, 1142815, 1312394, 1393295, 2014070, 2285630, 2786590, 3280985, 6561970, 20342107, 40684214, 101710535, 203421070]

約数ペア:

[(1, 203421070), (2, 101710535), (5, 40684214), (10, 20342107), (31, 6561970), (62, 3280985), (73, 2786590), (89, 2285630), (101, 2014070), (146, 1393295), (155, 1312394), (178, 1142815), (202, 1007035), (310, 656197), (365, 557318), (445, 457126), (505, 402814), (730, 278659), (890, 228563), (1010, 201407), (2263, 89890), (2759, 73730), (3131, 64970), (4526, 44945), (5518, 36865), (6262, 32485), (6497, 31310), (7373, 27590), (8989, 22630), (11315, 17978), (12994, 15655), (13795, 14746)]