123896500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:435

約数の個数: 144

約数和(自身を含む): 339852240

約数和(自身を除く): 215955740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 125, 130, 140, 175, 182, 196, 245, 250, 260, 325, 350, 364, 389, 455, 490, 500, 637, 650, 700, 778, 875, 910, 980, 1225, 1274, 1300, 1556, 1625, 1750, 1820, 1945, 2275, 2450, 2548, 2723, 3185, 3250, 3500, 3890, 4550, 4900, 5057, 5446, 6125, 6370, 6500, 7780, 9100, 9725, 10114, 10892, 11375, 12250, 12740, 13615, 15925, 19061, 19450, 20228, 22750, 24500, 25285, 27230, 31850, 35399, 38122, 38900, 45500, 48625, 50570, 54460, 63700, 68075, 70798, 76244, 79625, 95305, 97250, 101140, 126425, 136150, 141596, 159250, 176995, 190610, 194500, 247793, 252850, 272300, 318500, 340375, 353990, 381220, 476525, 495586, 505700, 632125, 680750, 707980, 884975, 953050, 991172, 1238965, 1264250, 1361500, 1769950, 1906100, 2382625, 2477930, 2528500, 3539900, 4424875, 4765250, 4955860, 6194825, 8849750, 9530500, 12389650, 17699500, 24779300, 30974125, 61948250, 123896500]

約数ペア:

[(1, 123896500), (2, 61948250), (4, 30974125), (5, 24779300), (7, 17699500), (10, 12389650), (13, 9530500), (14, 8849750), (20, 6194825), (25, 4955860), (26, 4765250), (28, 4424875), (35, 3539900), (49, 2528500), (50, 2477930), (52, 2382625), (65, 1906100), (70, 1769950), (91, 1361500), (98, 1264250), (100, 1238965), (125, 991172), (130, 953050), (140, 884975), (175, 707980), (182, 680750), (196, 632125), (245, 505700), (250, 495586), (260, 476525), (325, 381220), (350, 353990), (364, 340375), (389, 318500), (455, 272300), (490, 252850), (500, 247793), (637, 194500), (650, 190610), (700, 176995), (778, 159250), (875, 141596), (910, 136150), (980, 126425), (1225, 101140), (1274, 97250), (1300, 95305), (1556, 79625), (1625, 76244), (1750, 70798), (1820, 68075), (1945, 63700), (2275, 54460), (2450, 50570), (2548, 48625), (2723, 45500), (3185, 38900), (3250, 38122), (3500, 35399), (3890, 31850), (4550, 27230), (4900, 25285), (5057, 24500), (5446, 22750), (6125, 20228), (6370, 19450), (6500, 19061), (7780, 15925), (9100, 13615), (9725, 12740), (10114, 12250), (10892, 11375)]