7415698940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{320471}}^1$

素因数の和:320582

約数の個数: 48

約数和(自身を含む): 16959378240

約数和(自身を除く): 9543679300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 320471, 640942, 1281884, 1602355, 3204710, 4166123, 6409420, 8332246, 16664492, 20830615, 28521919, 41661230, 57043838, 83322460, 114087676, 142609595, 285219190, 370784947, 570438380, 741569894, 1483139788, 1853924735, 3707849470, 7415698940]

約数ペア:

[(1, 7415698940), (2, 3707849470), (4, 1853924735), (5, 1483139788), (10, 741569894), (13, 570438380), (20, 370784947), (26, 285219190), (52, 142609595), (65, 114087676), (89, 83322460), (130, 57043838), (178, 41661230), (260, 28521919), (356, 20830615), (445, 16664492), (890, 8332246), (1157, 6409420), (1780, 4166123), (2314, 3204710), (4628, 1602355), (5785, 1281884), (11570, 640942), (23140, 320471)]