221434920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12553}}^1$

素因数の和:12584

約数の個数: 144

約数和(自身を含む): 837226260

約数和(自身を除く): 615791340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 12553, 17640, 25106, 37659, 50212, 62765, 75318, 87871, 100424, 112977, 125530, 150636, 175742, 188295, 225954, 251060, 263613, 301272, 351484, 376590, 439355, 451908, 502120, 527226, 564885, 615097, 702968, 753180, 790839, 878710, 903816, 1054452, 1129770, 1230194, 1318065, 1506360, 1581678, 1757420, 1845291, 2108904, 2259540, 2460388, 2636130, 3075485, 3163356, 3514840, 3690582, 3954195, 4519080, 4920776, 5272260, 5535873, 6150970, 6326712, 7381164, 7908390, 9226455, 10544520, 11071746, 12301940, 14762328, 15816780, 18452910, 22143492, 24603880, 27679365, 31633560, 36905820, 44286984, 55358730, 73811640, 110717460, 221434920]

約数ペア:

[(1, 221434920), (2, 110717460), (3, 73811640), (4, 55358730), (5, 44286984), (6, 36905820), (7, 31633560), (8, 27679365), (9, 24603880), (10, 22143492), (12, 18452910), (14, 15816780), (15, 14762328), (18, 12301940), (20, 11071746), (21, 10544520), (24, 9226455), (28, 7908390), (30, 7381164), (35, 6326712), (36, 6150970), (40, 5535873), (42, 5272260), (45, 4920776), (49, 4519080), (56, 3954195), (60, 3690582), (63, 3514840), (70, 3163356), (72, 3075485), (84, 2636130), (90, 2460388), (98, 2259540), (105, 2108904), (120, 1845291), (126, 1757420), (140, 1581678), (147, 1506360), (168, 1318065), (180, 1230194), (196, 1129770), (210, 1054452), (245, 903816), (252, 878710), (280, 790839), (294, 753180), (315, 702968), (360, 615097), (392, 564885), (420, 527226), (441, 502120), (490, 451908), (504, 439355), (588, 376590), (630, 351484), (735, 301272), (840, 263613), (882, 251060), (980, 225954), (1176, 188295), (1260, 175742), (1470, 150636), (1764, 125530), (1960, 112977), (2205, 100424), (2520, 87871), (2940, 75318), (3528, 62765), (4410, 50212), (5880, 37659), (8820, 25106), (12553, 17640)]