47489820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 160302240

約数和(自身を除く): 112812420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 557, 580, 588, 609, 735, 812, 870, 980, 1015, 1114, 1218, 1421, 1470, 1671, 1740, 2030, 2228, 2436, 2785, 2842, 2940, 3045, 3342, 3899, 4060, 4263, 5570, 5684, 6090, 6684, 7105, 7798, 8355, 8526, 11140, 11697, 12180, 14210, 15596, 16153, 16710, 17052, 19495, 21315, 23394, 27293, 28420, 32306, 33420, 38990, 42630, 46788, 48459, 54586, 58485, 64612, 77980, 80765, 81879, 85260, 96918, 109172, 113071, 116970, 136465, 161530, 163758, 193836, 226142, 233940, 242295, 272930, 323060, 327516, 339213, 409395, 452284, 484590, 545860, 565355, 678426, 791497, 818790, 969180, 1130710, 1356852, 1582994, 1637580, 1696065, 2261420, 2374491, 3165988, 3392130, 3957485, 4748982, 6784260, 7914970, 9497964, 11872455, 15829940, 23744910, 47489820]

約数ペア:

[(1, 47489820), (2, 23744910), (3, 15829940), (4, 11872455), (5, 9497964), (6, 7914970), (7, 6784260), (10, 4748982), (12, 3957485), (14, 3392130), (15, 3165988), (20, 2374491), (21, 2261420), (28, 1696065), (29, 1637580), (30, 1582994), (35, 1356852), (42, 1130710), (49, 969180), (58, 818790), (60, 791497), (70, 678426), (84, 565355), (87, 545860), (98, 484590), (105, 452284), (116, 409395), (140, 339213), (145, 327516), (147, 323060), (174, 272930), (196, 242295), (203, 233940), (210, 226142), (245, 193836), (290, 163758), (294, 161530), (348, 136465), (406, 116970), (420, 113071), (435, 109172), (490, 96918), (557, 85260), (580, 81879), (588, 80765), (609, 77980), (735, 64612), (812, 58485), (870, 54586), (980, 48459), (1015, 46788), (1114, 42630), (1218, 38990), (1421, 33420), (1470, 32306), (1671, 28420), (1740, 27293), (2030, 23394), (2228, 21315), (2436, 19495), (2785, 17052), (2842, 16710), (2940, 16153), (3045, 15596), (3342, 14210), (3899, 12180), (4060, 11697), (4263, 11140), (5570, 8526), (5684, 8355), (6090, 7798), (6684, 7105)]