218378940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:468

約数の個数: 192

約数和(自身を含む): 715309056

約数和(自身を除く): 496930116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 43, 51, 52, 60, 65, 68, 78, 85, 86, 102, 129, 130, 156, 170, 172, 195, 204, 215, 221, 255, 258, 260, 340, 383, 390, 430, 442, 510, 516, 559, 645, 663, 731, 766, 780, 860, 884, 1020, 1105, 1118, 1149, 1290, 1326, 1462, 1532, 1677, 1915, 2193, 2210, 2236, 2298, 2580, 2652, 2795, 2924, 3315, 3354, 3655, 3830, 4386, 4420, 4596, 4979, 5590, 5745, 6511, 6630, 6708, 7310, 7660, 8385, 8772, 9503, 9958, 10965, 11180, 11490, 13022, 13260, 14620, 14937, 16469, 16770, 19006, 19533, 19916, 21930, 22980, 24895, 26044, 28509, 29874, 32555, 32938, 33540, 38012, 39066, 43860, 47515, 49407, 49790, 57018, 59748, 65110, 65876, 74685, 78132, 82345, 84643, 95030, 97665, 98814, 99580, 114036, 130220, 142545, 149370, 164690, 169286, 190060, 195330, 197628, 214097, 247035, 253929, 279973, 285090, 298740, 329380, 338572, 390660, 423215, 428194, 494070, 507858, 559946, 570180, 642291, 839919, 846430, 856388, 988140, 1015716, 1070485, 1119892, 1269645, 1284582, 1399865, 1679838, 1692860, 2140970, 2539290, 2569164, 2799730, 3211455, 3359676, 3639649, 4199595, 4281940, 5078580, 5599460, 6422910, 7279298, 8399190, 10918947, 12845820, 14558596, 16798380, 18198245, 21837894, 36396490, 43675788, 54594735, 72792980, 109189470, 218378940]

約数ペア:

[(1, 218378940), (2, 109189470), (3, 72792980), (4, 54594735), (5, 43675788), (6, 36396490), (10, 21837894), (12, 18198245), (13, 16798380), (15, 14558596), (17, 12845820), (20, 10918947), (26, 8399190), (30, 7279298), (34, 6422910), (39, 5599460), (43, 5078580), (51, 4281940), (52, 4199595), (60, 3639649), (65, 3359676), (68, 3211455), (78, 2799730), (85, 2569164), (86, 2539290), (102, 2140970), (129, 1692860), (130, 1679838), (156, 1399865), (170, 1284582), (172, 1269645), (195, 1119892), (204, 1070485), (215, 1015716), (221, 988140), (255, 856388), (258, 846430), (260, 839919), (340, 642291), (383, 570180), (390, 559946), (430, 507858), (442, 494070), (510, 428194), (516, 423215), (559, 390660), (645, 338572), (663, 329380), (731, 298740), (766, 285090), (780, 279973), (860, 253929), (884, 247035), (1020, 214097), (1105, 197628), (1118, 195330), (1149, 190060), (1290, 169286), (1326, 164690), (1462, 149370), (1532, 142545), (1677, 130220), (1915, 114036), (2193, 99580), (2210, 98814), (2236, 97665), (2298, 95030), (2580, 84643), (2652, 82345), (2795, 78132), (2924, 74685), (3315, 65876), (3354, 65110), (3655, 59748), (3830, 57018), (4386, 49790), (4420, 49407), (4596, 47515), (4979, 43860), (5590, 39066), (5745, 38012), (6511, 33540), (6630, 32938), (6708, 32555), (7310, 29874), (7660, 28509), (8385, 26044), (8772, 24895), (9503, 22980), (9958, 21930), (10965, 19916), (11180, 19533), (11490, 19006), (13022, 16770), (13260, 16469), (14620, 14937)]