278896710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1653

約数の個数: 64

約数和(自身を含む): 689990400

約数和(自身を除く): 411093690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 149, 215, 258, 298, 430, 447, 645, 745, 894, 1290, 1451, 1490, 2235, 2902, 4353, 4470, 6407, 7255, 8706, 12814, 14510, 19221, 21765, 32035, 38442, 43530, 62393, 64070, 96105, 124786, 187179, 192210, 216199, 311965, 374358, 432398, 623930, 648597, 935895, 1080995, 1297194, 1871790, 2161990, 3242985, 6485970, 9296557, 18593114, 27889671, 46482785, 55779342, 92965570, 139448355, 278896710]

約数ペア:

[(1, 278896710), (2, 139448355), (3, 92965570), (5, 55779342), (6, 46482785), (10, 27889671), (15, 18593114), (30, 9296557), (43, 6485970), (86, 3242985), (129, 2161990), (149, 1871790), (215, 1297194), (258, 1080995), (298, 935895), (430, 648597), (447, 623930), (645, 432398), (745, 374358), (894, 311965), (1290, 216199), (1451, 192210), (1490, 187179), (2235, 124786), (2902, 96105), (4353, 64070), (4470, 62393), (6407, 43530), (7255, 38442), (8706, 32035), (12814, 21765), (14510, 19221)]