About the Number

201171090

201171089 ← → 201171091

2進数表記:1011111111011010000010010010

漢数字表記:二億百十七万千九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 199 1 × 1087 1

素因数の和:1327
約数の個数: 64
約数和(自身を含む): 501350400
約数和(自身を除く): 300179310

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 199, 310, 398, 465, 597, 930, 995, 1087, 1194, 1990, 2174, 2985, 3261, 5435, 5970, 6169, 6522, 10870, 12338, 16305, 18507, 30845, 32610, 33697, 37014, 61690, 67394, 92535, 101091, 168485, 185070, 202182, 216313, 336970, 432626, 505455, 648939, 1010910, 1081565, 1297878, 2163130, 3244695, 6489390, 6705703, 13411406, 20117109, 33528515, 40234218, 67057030, 100585545, 201171090]

約数ペア:
[(1, 201171090), (2, 100585545), (3, 67057030), (5, 40234218), (6, 33528515), (10, 20117109), (15, 13411406), (30, 6705703), (31, 6489390), (62, 3244695), (93, 2163130), (155, 1297878), (186, 1081565), (199, 1010910), (310, 648939), (398, 505455), (465, 432626), (597, 336970), (930, 216313), (995, 202182), (1087, 185070), (1194, 168485), (1990, 101091), (2174, 92535), (2985, 67394), (3261, 61690), (5435, 37014), (5970, 33697), (6169, 32610), (6522, 30845), (10870, 18507), (12338, 16305)]

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