148298420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{12589}}^1$

素因数の和:12648

約数の個数: 48

約数和(自身を含む): 338419200

約数和(自身を除く): 190120780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 12589, 25178, 50356, 62945, 125890, 239191, 251780, 390259, 478382, 780518, 956764, 1195955, 1561036, 1951295, 2391910, 3902590, 4783820, 7414921, 7805180, 14829842, 29659684, 37074605, 74149210, 148298420]

約数ペア:

[(1, 148298420), (2, 74149210), (4, 37074605), (5, 29659684), (10, 14829842), (19, 7805180), (20, 7414921), (31, 4783820), (38, 3902590), (62, 2391910), (76, 1951295), (95, 1561036), (124, 1195955), (155, 956764), (190, 780518), (310, 478382), (380, 390259), (589, 251780), (620, 239191), (1178, 125890), (2356, 62945), (2945, 50356), (5890, 25178), (11780, 12589)]