212218880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:435

約数の個数: 88

約数和(自身を含む): 514124520

約数和(自身を除く): 301905640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 229, 256, 320, 362, 458, 512, 640, 724, 905, 916, 1024, 1145, 1280, 1448, 1810, 1832, 2290, 2560, 2896, 3620, 3664, 4580, 5120, 5792, 7240, 7328, 9160, 11584, 14480, 14656, 18320, 23168, 28960, 29312, 36640, 41449, 46336, 57920, 58624, 73280, 82898, 92672, 115840, 117248, 146560, 165796, 185344, 207245, 231680, 234496, 293120, 331592, 414490, 463360, 586240, 663184, 828980, 926720, 1172480, 1326368, 1657960, 2652736, 3315920, 5305472, 6631840, 10610944, 13263680, 21221888, 26527360, 42443776, 53054720, 106109440, 212218880]

約数ペア:

[(1, 212218880), (2, 106109440), (4, 53054720), (5, 42443776), (8, 26527360), (10, 21221888), (16, 13263680), (20, 10610944), (32, 6631840), (40, 5305472), (64, 3315920), (80, 2652736), (128, 1657960), (160, 1326368), (181, 1172480), (229, 926720), (256, 828980), (320, 663184), (362, 586240), (458, 463360), (512, 414490), (640, 331592), (724, 293120), (905, 234496), (916, 231680), (1024, 207245), (1145, 185344), (1280, 165796), (1448, 146560), (1810, 117248), (1832, 115840), (2290, 92672), (2560, 82898), (2896, 73280), (3620, 58624), (3664, 57920), (4580, 46336), (5120, 41449), (5792, 36640), (7240, 29312), (7328, 28960), (9160, 23168), (11584, 18320), (14480, 14656)]