47389420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 115577280

約数和(自身を除く): 68187860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 76, 95, 106, 130, 181, 190, 212, 247, 260, 265, 362, 380, 494, 530, 689, 724, 905, 988, 1007, 1060, 1235, 1378, 1810, 2014, 2353, 2470, 2756, 3439, 3445, 3620, 4028, 4706, 4940, 5035, 6878, 6890, 9412, 9593, 10070, 11765, 13091, 13756, 13780, 17195, 19186, 20140, 23530, 26182, 34390, 38372, 44707, 47060, 47965, 52364, 65455, 68780, 89414, 95930, 124709, 130910, 178828, 182267, 191860, 223535, 249418, 261820, 364534, 447070, 498836, 623545, 729068, 894140, 911335, 1247090, 1822670, 2369471, 2494180, 3645340, 4738942, 9477884, 11847355, 23694710, 47389420]

約数ペア:

[(1, 47389420), (2, 23694710), (4, 11847355), (5, 9477884), (10, 4738942), (13, 3645340), (19, 2494180), (20, 2369471), (26, 1822670), (38, 1247090), (52, 911335), (53, 894140), (65, 729068), (76, 623545), (95, 498836), (106, 447070), (130, 364534), (181, 261820), (190, 249418), (212, 223535), (247, 191860), (260, 182267), (265, 178828), (362, 130910), (380, 124709), (494, 95930), (530, 89414), (689, 68780), (724, 65455), (905, 52364), (988, 47965), (1007, 47060), (1060, 44707), (1235, 38372), (1378, 34390), (1810, 26182), (2014, 23530), (2353, 20140), (2470, 19186), (2756, 17195), (3439, 13780), (3445, 13756), (3620, 13091), (4028, 11765), (4706, 10070), (4940, 9593), (5035, 9412), (6878, 6890)]