25218990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 70963776

約数和(自身を除く): 45744786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 53, 85, 90, 102, 106, 153, 159, 170, 255, 265, 306, 311, 318, 477, 510, 530, 622, 765, 795, 901, 933, 954, 1530, 1555, 1590, 1802, 1866, 2385, 2703, 2799, 3110, 4505, 4665, 4770, 5287, 5406, 5598, 8109, 9010, 9330, 10574, 13515, 13995, 15861, 16218, 16483, 26435, 27030, 27990, 31722, 32966, 40545, 47583, 49449, 52870, 79305, 81090, 82415, 95166, 98898, 148347, 158610, 164830, 237915, 247245, 280211, 296694, 475830, 494490, 560422, 741735, 840633, 1401055, 1483470, 1681266, 2521899, 2802110, 4203165, 5043798, 8406330, 12609495, 25218990]

約数ペア:

[(1, 25218990), (2, 12609495), (3, 8406330), (5, 5043798), (6, 4203165), (9, 2802110), (10, 2521899), (15, 1681266), (17, 1483470), (18, 1401055), (30, 840633), (34, 741735), (45, 560422), (51, 494490), (53, 475830), (85, 296694), (90, 280211), (102, 247245), (106, 237915), (153, 164830), (159, 158610), (170, 148347), (255, 98898), (265, 95166), (306, 82415), (311, 81090), (318, 79305), (477, 52870), (510, 49449), (530, 47583), (622, 40545), (765, 32966), (795, 31722), (901, 27990), (933, 27030), (954, 26435), (1530, 16483), (1555, 16218), (1590, 15861), (1802, 13995), (1866, 13515), (2385, 10574), (2703, 9330), (2799, 9010), (3110, 8109), (4505, 5598), (4665, 5406), (4770, 5287)]