206431940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:933

約数の個数: 96

約数和(自身を含む): 515652480

約数和(自身を除く): 309220540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 89, 110, 130, 143, 178, 220, 260, 286, 356, 445, 572, 715, 811, 890, 979, 1157, 1430, 1622, 1780, 1958, 2314, 2860, 3244, 3916, 4055, 4628, 4895, 5785, 8110, 8921, 9790, 10543, 11570, 12727, 16220, 17842, 19580, 21086, 23140, 25454, 35684, 42172, 44605, 50908, 52715, 63635, 72179, 89210, 105430, 115973, 127270, 144358, 178420, 210860, 231946, 254540, 288716, 360895, 463892, 579865, 721790, 793969, 938327, 1159730, 1443580, 1587938, 1876654, 2319460, 3175876, 3753308, 3969845, 4691635, 7939690, 9383270, 10321597, 15879380, 18766540, 20643194, 41286388, 51607985, 103215970, 206431940]

約数ペア:

[(1, 206431940), (2, 103215970), (4, 51607985), (5, 41286388), (10, 20643194), (11, 18766540), (13, 15879380), (20, 10321597), (22, 9383270), (26, 7939690), (44, 4691635), (52, 3969845), (55, 3753308), (65, 3175876), (89, 2319460), (110, 1876654), (130, 1587938), (143, 1443580), (178, 1159730), (220, 938327), (260, 793969), (286, 721790), (356, 579865), (445, 463892), (572, 360895), (715, 288716), (811, 254540), (890, 231946), (979, 210860), (1157, 178420), (1430, 144358), (1622, 127270), (1780, 115973), (1958, 105430), (2314, 89210), (2860, 72179), (3244, 63635), (3916, 52715), (4055, 50908), (4628, 44605), (4895, 42172), (5785, 35684), (8110, 25454), (8921, 23140), (9790, 21086), (10543, 19580), (11570, 17842), (12727, 16220)]