1420726900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{24121}}^1$

素因数の和:24185

約数の個数: 72

約数和(自身を含む): 3350063360

約数和(自身を除く): 1929336460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1550, 1900, 2356, 2945, 3100, 5890, 11780, 14725, 24121, 29450, 48242, 58900, 96484, 120605, 241210, 458299, 482420, 603025, 747751, 916598, 1206050, 1495502, 1833196, 2291495, 2412100, 2991004, 3738755, 4582990, 7477510, 9165980, 11457475, 14207269, 14955020, 18693775, 22914950, 28414538, 37387550, 45829900, 56829076, 71036345, 74775100, 142072690, 284145380, 355181725, 710363450, 1420726900]

約数ペア:

[(1, 1420726900), (2, 710363450), (4, 355181725), (5, 284145380), (10, 142072690), (19, 74775100), (20, 71036345), (25, 56829076), (31, 45829900), (38, 37387550), (50, 28414538), (62, 22914950), (76, 18693775), (95, 14955020), (100, 14207269), (124, 11457475), (155, 9165980), (190, 7477510), (310, 4582990), (380, 3738755), (475, 2991004), (589, 2412100), (620, 2291495), (775, 1833196), (950, 1495502), (1178, 1206050), (1550, 916598), (1900, 747751), (2356, 603025), (2945, 482420), (3100, 458299), (5890, 241210), (11780, 120605), (14725, 96484), (24121, 58900), (29450, 48242)]