228389980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 144

約数和(自身を含む): 608731200

約数和(自身を除く): 380341220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 197, 245, 260, 338, 343, 364, 394, 455, 490, 637, 676, 686, 788, 845, 910, 980, 985, 1183, 1274, 1372, 1379, 1690, 1715, 1820, 1970, 2366, 2548, 2561, 2758, 3185, 3380, 3430, 3940, 4459, 4732, 5122, 5516, 5915, 6370, 6860, 6895, 8281, 8918, 9653, 10244, 11830, 12740, 12805, 13790, 16562, 17836, 17927, 19306, 22295, 23660, 25610, 27580, 33124, 33293, 35854, 38612, 41405, 44590, 48265, 51220, 57967, 66586, 67571, 71708, 82810, 89180, 89635, 96530, 115934, 125489, 133172, 135142, 165620, 166465, 179270, 193060, 231868, 233051, 250978, 270284, 289835, 332930, 337855, 358540, 466102, 501956, 579670, 627445, 665860, 675710, 878423, 932204, 1159340, 1165255, 1254890, 1351420, 1631357, 1756846, 2330510, 2509780, 3262714, 3513692, 4392115, 4661020, 6525428, 8156785, 8784230, 11419499, 16313570, 17568460, 22838998, 32627140, 45677996, 57097495, 114194990, 228389980]

約数ペア:

[(1, 228389980), (2, 114194990), (4, 57097495), (5, 45677996), (7, 32627140), (10, 22838998), (13, 17568460), (14, 16313570), (20, 11419499), (26, 8784230), (28, 8156785), (35, 6525428), (49, 4661020), (52, 4392115), (65, 3513692), (70, 3262714), (91, 2509780), (98, 2330510), (130, 1756846), (140, 1631357), (169, 1351420), (182, 1254890), (196, 1165255), (197, 1159340), (245, 932204), (260, 878423), (338, 675710), (343, 665860), (364, 627445), (394, 579670), (455, 501956), (490, 466102), (637, 358540), (676, 337855), (686, 332930), (788, 289835), (845, 270284), (910, 250978), (980, 233051), (985, 231868), (1183, 193060), (1274, 179270), (1372, 166465), (1379, 165620), (1690, 135142), (1715, 133172), (1820, 125489), (1970, 115934), (2366, 96530), (2548, 89635), (2561, 89180), (2758, 82810), (3185, 71708), (3380, 67571), (3430, 66586), (3940, 57967), (4459, 51220), (4732, 48265), (5122, 44590), (5516, 41405), (5915, 38612), (6370, 35854), (6860, 33293), (6895, 33124), (8281, 27580), (8918, 25610), (9653, 23660), (10244, 22295), (11830, 19306), (12740, 17927), (12805, 17836), (13790, 16562)]