196579840

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4517}}^1$

素因数の和:4557

約数の個数: 80

約数和(自身を含む): 499166712

約数和(自身を除く): 302586872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 4517, 5440, 8704, 9034, 10880, 18068, 21760, 22585, 36136, 43520, 45170, 72272, 76789, 90340, 144544, 153578, 180680, 289088, 307156, 361360, 383945, 578176, 614312, 722720, 767890, 1156352, 1228624, 1445440, 1535780, 2312704, 2457248, 2890880, 3071560, 4914496, 5781760, 6143120, 9828992, 11563520, 12286240, 19657984, 24572480, 39315968, 49144960, 98289920, 196579840]

約数ペア:

[(1, 196579840), (2, 98289920), (4, 49144960), (5, 39315968), (8, 24572480), (10, 19657984), (16, 12286240), (17, 11563520), (20, 9828992), (32, 6143120), (34, 5781760), (40, 4914496), (64, 3071560), (68, 2890880), (80, 2457248), (85, 2312704), (128, 1535780), (136, 1445440), (160, 1228624), (170, 1156352), (256, 767890), (272, 722720), (320, 614312), (340, 578176), (512, 383945), (544, 361360), (640, 307156), (680, 289088), (1088, 180680), (1280, 153578), (1360, 144544), (2176, 90340), (2560, 76789), (2720, 72272), (4352, 45170), (4517, 43520), (5440, 36136), (8704, 22585), (9034, 21760), (10880, 18068)]