128561650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 306980352

約数和(自身を除く): 178418702

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 31, 34, 35, 41, 50, 62, 70, 82, 85, 119, 155, 170, 175, 205, 217, 238, 287, 289, 310, 350, 410, 425, 434, 527, 574, 578, 595, 697, 775, 850, 1025, 1054, 1085, 1190, 1271, 1394, 1435, 1445, 1550, 2023, 2050, 2170, 2542, 2635, 2870, 2890, 2975, 3485, 3689, 4046, 4879, 5270, 5425, 5950, 6355, 6970, 7175, 7225, 7378, 8897, 8959, 9758, 10115, 10850, 11849, 12710, 13175, 14350, 14450, 17425, 17794, 17918, 18445, 20230, 21607, 23698, 24395, 26350, 31775, 34850, 36890, 43214, 44485, 44795, 48790, 50575, 59245, 62713, 63550, 82943, 88970, 89590, 92225, 101150, 108035, 118490, 121975, 125426, 151249, 165886, 184450, 216070, 222425, 223975, 243950, 296225, 302498, 313565, 367319, 414715, 444850, 447950, 540175, 592450, 627130, 734638, 756245, 829430, 1080350, 1512490, 1567825, 1836595, 2073575, 2571233, 3135650, 3673190, 3781225, 4147150, 5142466, 7562450, 9182975, 12856165, 18365950, 25712330, 64280825, 128561650]

約数ペア:

[(1, 128561650), (2, 64280825), (5, 25712330), (7, 18365950), (10, 12856165), (14, 9182975), (17, 7562450), (25, 5142466), (31, 4147150), (34, 3781225), (35, 3673190), (41, 3135650), (50, 2571233), (62, 2073575), (70, 1836595), (82, 1567825), (85, 1512490), (119, 1080350), (155, 829430), (170, 756245), (175, 734638), (205, 627130), (217, 592450), (238, 540175), (287, 447950), (289, 444850), (310, 414715), (350, 367319), (410, 313565), (425, 302498), (434, 296225), (527, 243950), (574, 223975), (578, 222425), (595, 216070), (697, 184450), (775, 165886), (850, 151249), (1025, 125426), (1054, 121975), (1085, 118490), (1190, 108035), (1271, 101150), (1394, 92225), (1435, 89590), (1445, 88970), (1550, 82943), (2023, 63550), (2050, 62713), (2170, 59245), (2542, 50575), (2635, 48790), (2870, 44795), (2890, 44485), (2975, 43214), (3485, 36890), (3689, 34850), (4046, 31775), (4879, 26350), (5270, 24395), (5425, 23698), (5950, 21607), (6355, 20230), (6970, 18445), (7175, 17918), (7225, 17794), (7378, 17425), (8897, 14450), (8959, 14350), (9758, 13175), (10115, 12710), (10850, 11849)]