38989370

素因数分解:

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

素因数の和:495

約数の個数: 64

約数和(自身を含む): 85280256

約数和(自身を除く): 46290886

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 115, 122, 161, 230, 305, 322, 397, 427, 610, 794, 805, 854, 1403, 1610, 1985, 2135, 2779, 2806, 3970, 4270, 5558, 7015, 9131, 9821, 13895, 14030, 18262, 19642, 24217, 27790, 45655, 48434, 49105, 63917, 91310, 98210, 121085, 127834, 169519, 242170, 319585, 339038, 556991, 639170, 847595, 1113982, 1695190, 2784955, 3898937, 5569910, 7797874, 19494685, 38989370]

約数ペア:

[(1, 38989370), (2, 19494685), (5, 7797874), (7, 5569910), (10, 3898937), (14, 2784955), (23, 1695190), (35, 1113982), (46, 847595), (61, 639170), (70, 556991), (115, 339038), (122, 319585), (161, 242170), (230, 169519), (305, 127834), (322, 121085), (397, 98210), (427, 91310), (610, 63917), (794, 49105), (805, 48434), (854, 45655), (1403, 27790), (1610, 24217), (1985, 19642), (2135, 18262), (2779, 14030), (2806, 13895), (3970, 9821), (4270, 9131), (5558, 7015)]