77978740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 198987264

約数和(自身を除く): 121008524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 92, 115, 122, 140, 161, 230, 244, 305, 322, 397, 427, 460, 610, 644, 794, 805, 854, 1220, 1403, 1588, 1610, 1708, 1985, 2135, 2779, 2806, 3220, 3970, 4270, 5558, 5612, 7015, 7940, 8540, 9131, 9821, 11116, 13895, 14030, 18262, 19642, 24217, 27790, 28060, 36524, 39284, 45655, 48434, 49105, 55580, 63917, 91310, 96868, 98210, 121085, 127834, 169519, 182620, 196420, 242170, 255668, 319585, 339038, 484340, 556991, 639170, 678076, 847595, 1113982, 1278340, 1695190, 2227964, 2784955, 3390380, 3898937, 5569910, 7797874, 11139820, 15595748, 19494685, 38989370, 77978740]

約数ペア:

[(1, 77978740), (2, 38989370), (4, 19494685), (5, 15595748), (7, 11139820), (10, 7797874), (14, 5569910), (20, 3898937), (23, 3390380), (28, 2784955), (35, 2227964), (46, 1695190), (61, 1278340), (70, 1113982), (92, 847595), (115, 678076), (122, 639170), (140, 556991), (161, 484340), (230, 339038), (244, 319585), (305, 255668), (322, 242170), (397, 196420), (427, 182620), (460, 169519), (610, 127834), (644, 121085), (794, 98210), (805, 96868), (854, 91310), (1220, 63917), (1403, 55580), (1588, 49105), (1610, 48434), (1708, 45655), (1985, 39284), (2135, 36524), (2779, 28060), (2806, 27790), (3220, 24217), (3970, 19642), (4270, 18262), (5558, 14030), (5612, 13895), (7015, 11116), (7940, 9821), (8540, 9131)]