390669950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:482

約数の個数: 96

約数和(自身を含む): 838874880

約数和(自身を除く): 448204930

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 89, 110, 115, 178, 230, 253, 275, 347, 445, 506, 550, 575, 694, 890, 979, 1150, 1265, 1735, 1958, 2047, 2225, 2530, 3470, 3817, 4094, 4450, 4895, 6325, 7634, 7981, 8675, 9790, 10235, 12650, 15962, 17350, 19085, 20470, 22517, 24475, 30883, 38170, 39905, 45034, 48950, 51175, 61766, 79810, 87791, 95425, 102350, 112585, 154415, 175582, 190850, 199525, 225170, 308830, 339713, 399050, 438955, 562925, 679426, 710309, 772075, 877910, 1125850, 1420618, 1544150, 1698565, 2194775, 3397130, 3551545, 4389550, 7103090, 7813399, 8492825, 15626798, 16985650, 17757725, 35515450, 39066995, 78133990, 195334975, 390669950]

約数ペア:

[(1, 390669950), (2, 195334975), (5, 78133990), (10, 39066995), (11, 35515450), (22, 17757725), (23, 16985650), (25, 15626798), (46, 8492825), (50, 7813399), (55, 7103090), (89, 4389550), (110, 3551545), (115, 3397130), (178, 2194775), (230, 1698565), (253, 1544150), (275, 1420618), (347, 1125850), (445, 877910), (506, 772075), (550, 710309), (575, 679426), (694, 562925), (890, 438955), (979, 399050), (1150, 339713), (1265, 308830), (1735, 225170), (1958, 199525), (2047, 190850), (2225, 175582), (2530, 154415), (3470, 112585), (3817, 102350), (4094, 95425), (4450, 87791), (4895, 79810), (6325, 61766), (7634, 51175), (7981, 48950), (8675, 45034), (9790, 39905), (10235, 38170), (12650, 30883), (15962, 24475), (17350, 22517), (19085, 20470)]