649860230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{953}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 1278970560

約数和(自身を除く): 629110330

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 97, 185, 190, 194, 370, 485, 703, 953, 970, 1406, 1843, 1906, 3515, 3589, 3686, 4765, 7030, 7178, 9215, 9530, 17945, 18107, 18430, 35261, 35890, 36214, 68191, 70522, 90535, 92441, 136382, 176305, 181070, 184882, 340955, 352610, 462205, 669959, 681910, 924410, 1339918, 1756379, 3349795, 3420317, 3512758, 6699590, 6840634, 8781895, 17101585, 17563790, 34203170, 64986023, 129972046, 324930115, 649860230]

約数ペア:

[(1, 649860230), (2, 324930115), (5, 129972046), (10, 64986023), (19, 34203170), (37, 17563790), (38, 17101585), (74, 8781895), (95, 6840634), (97, 6699590), (185, 3512758), (190, 3420317), (194, 3349795), (370, 1756379), (485, 1339918), (703, 924410), (953, 681910), (970, 669959), (1406, 462205), (1843, 352610), (1906, 340955), (3515, 184882), (3589, 181070), (3686, 176305), (4765, 136382), (7030, 92441), (7178, 90535), (9215, 70522), (9530, 68191), (17945, 36214), (18107, 35890), (18430, 35261)]