201720350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 428972544

約数和(自身を除く): 227252194

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 103, 115, 130, 131, 206, 230, 262, 299, 325, 515, 575, 598, 650, 655, 1030, 1150, 1310, 1339, 1495, 1703, 2369, 2575, 2678, 2990, 3013, 3275, 3406, 4738, 5150, 6026, 6550, 6695, 7475, 8515, 11845, 13390, 13493, 14950, 15065, 17030, 23690, 26986, 30130, 30797, 33475, 39169, 42575, 59225, 61594, 66950, 67465, 75325, 78338, 85150, 118450, 134930, 150650, 153985, 175409, 195845, 307970, 310339, 337325, 350818, 391690, 620678, 674650, 769925, 877045, 979225, 1539850, 1551695, 1754090, 1958450, 3103390, 4034407, 4385225, 7758475, 8068814, 8770450, 15516950, 20172035, 40344070, 100860175, 201720350]

約数ペア:

[(1, 201720350), (2, 100860175), (5, 40344070), (10, 20172035), (13, 15516950), (23, 8770450), (25, 8068814), (26, 7758475), (46, 4385225), (50, 4034407), (65, 3103390), (103, 1958450), (115, 1754090), (130, 1551695), (131, 1539850), (206, 979225), (230, 877045), (262, 769925), (299, 674650), (325, 620678), (515, 391690), (575, 350818), (598, 337325), (650, 310339), (655, 307970), (1030, 195845), (1150, 175409), (1310, 153985), (1339, 150650), (1495, 134930), (1703, 118450), (2369, 85150), (2575, 78338), (2678, 75325), (2990, 67465), (3013, 66950), (3275, 61594), (3406, 59225), (4738, 42575), (5150, 39169), (6026, 33475), (6550, 30797), (6695, 30130), (7475, 26986), (8515, 23690), (11845, 17030), (13390, 15065), (13493, 14950)]