221773890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^2$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 606876480

約数和(自身を除く): 385102590

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 173, 190, 195, 247, 285, 346, 390, 494, 519, 570, 741, 865, 1038, 1235, 1482, 1730, 2249, 2470, 2595, 3287, 3705, 4498, 5190, 6574, 6747, 7410, 9861, 11245, 13494, 16435, 19722, 22490, 29929, 32870, 33735, 42731, 49305, 59858, 67470, 85462, 89787, 98610, 128193, 149645, 179574, 213655, 256386, 299290, 389077, 427310, 448935, 568651, 640965, 778154, 897870, 1137302, 1167231, 1281930, 1705953, 1945385, 2334462, 2843255, 3411906, 3890770, 5686510, 5836155, 7392463, 8529765, 11672310, 14784926, 17059530, 22177389, 36962315, 44354778, 73924630, 110886945, 221773890]

約数ペア:

[(1, 221773890), (2, 110886945), (3, 73924630), (5, 44354778), (6, 36962315), (10, 22177389), (13, 17059530), (15, 14784926), (19, 11672310), (26, 8529765), (30, 7392463), (38, 5836155), (39, 5686510), (57, 3890770), (65, 3411906), (78, 2843255), (95, 2334462), (114, 1945385), (130, 1705953), (173, 1281930), (190, 1167231), (195, 1137302), (247, 897870), (285, 778154), (346, 640965), (390, 568651), (494, 448935), (519, 427310), (570, 389077), (741, 299290), (865, 256386), (1038, 213655), (1235, 179574), (1482, 149645), (1730, 128193), (2249, 98610), (2470, 89787), (2595, 85462), (3287, 67470), (3705, 59858), (4498, 49305), (5190, 42731), (6574, 33735), (6747, 32870), (7410, 29929), (9861, 22490), (11245, 19722), (13494, 16435)]