198798390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:827

約数の個数: 144

約数和(自身を含む): 611947440

約数和(自身を除く): 413149050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 61, 63, 70, 90, 98, 105, 122, 126, 147, 183, 210, 245, 294, 305, 315, 366, 427, 441, 490, 549, 610, 630, 735, 739, 854, 882, 915, 1098, 1281, 1470, 1478, 1830, 2135, 2205, 2217, 2562, 2745, 2989, 3695, 3843, 4270, 4410, 4434, 5173, 5490, 5978, 6405, 6651, 7390, 7686, 8967, 10346, 11085, 12810, 13302, 14945, 15519, 17934, 19215, 22170, 25865, 26901, 29890, 31038, 33255, 36211, 38430, 44835, 45079, 46557, 51730, 53802, 66510, 72422, 77595, 89670, 90158, 93114, 108633, 134505, 135237, 155190, 181055, 217266, 225395, 232785, 269010, 270474, 315553, 325899, 362110, 405711, 450790, 465570, 543165, 631106, 651798, 676185, 811422, 946659, 1086330, 1352370, 1577765, 1629495, 1893318, 2028555, 2208871, 2839977, 3155530, 3258990, 4057110, 4417742, 4733295, 5679954, 6626613, 9466590, 11044355, 13253226, 14199885, 19879839, 22088710, 28399770, 33133065, 39759678, 66266130, 99399195, 198798390]

約数ペア:

[(1, 198798390), (2, 99399195), (3, 66266130), (5, 39759678), (6, 33133065), (7, 28399770), (9, 22088710), (10, 19879839), (14, 14199885), (15, 13253226), (18, 11044355), (21, 9466590), (30, 6626613), (35, 5679954), (42, 4733295), (45, 4417742), (49, 4057110), (61, 3258990), (63, 3155530), (70, 2839977), (90, 2208871), (98, 2028555), (105, 1893318), (122, 1629495), (126, 1577765), (147, 1352370), (183, 1086330), (210, 946659), (245, 811422), (294, 676185), (305, 651798), (315, 631106), (366, 543165), (427, 465570), (441, 450790), (490, 405711), (549, 362110), (610, 325899), (630, 315553), (735, 270474), (739, 269010), (854, 232785), (882, 225395), (915, 217266), (1098, 181055), (1281, 155190), (1470, 135237), (1478, 134505), (1830, 108633), (2135, 93114), (2205, 90158), (2217, 89670), (2562, 77595), (2745, 72422), (2989, 66510), (3695, 53802), (3843, 51730), (4270, 46557), (4410, 45079), (4434, 44835), (5173, 38430), (5490, 36211), (5978, 33255), (6405, 31038), (6651, 29890), (7390, 26901), (7686, 25865), (8967, 22170), (10346, 19215), (11085, 17934), (12810, 15519), (13302, 14945)]