719817420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{39857}}^1$

素因数の和:39919

約数の個数: 96

約数和(自身を含む): 2357042688

約数和(自身を除く): 1637225268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 6020, 9030, 18060, 39857, 79714, 119571, 159428, 199285, 239142, 278999, 398570, 478284, 557998, 597855, 797140, 836997, 1115996, 1195710, 1394995, 1673994, 1713851, 2391420, 2789990, 3347988, 3427702, 4184985, 5141553, 5579980, 6855404, 8369970, 8569255, 10283106, 11996957, 16739940, 17138510, 20566212, 23993914, 25707765, 34277020, 35990871, 47987828, 51415530, 59984785, 71981742, 102831060, 119969570, 143963484, 179954355, 239939140, 359908710, 719817420]

約数ペア:

[(1, 719817420), (2, 359908710), (3, 239939140), (4, 179954355), (5, 143963484), (6, 119969570), (7, 102831060), (10, 71981742), (12, 59984785), (14, 51415530), (15, 47987828), (20, 35990871), (21, 34277020), (28, 25707765), (30, 23993914), (35, 20566212), (42, 17138510), (43, 16739940), (60, 11996957), (70, 10283106), (84, 8569255), (86, 8369970), (105, 6855404), (129, 5579980), (140, 5141553), (172, 4184985), (210, 3427702), (215, 3347988), (258, 2789990), (301, 2391420), (420, 1713851), (430, 1673994), (516, 1394995), (602, 1195710), (645, 1115996), (860, 836997), (903, 797140), (1204, 597855), (1290, 557998), (1505, 478284), (1806, 398570), (2580, 278999), (3010, 239142), (3612, 199285), (4515, 159428), (6020, 119571), (9030, 79714), (18060, 39857)]