209410760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23689}}^1$

素因数の和:23730

約数の個数: 64

約数和(自身を含む): 537289200

約数和(自身を除く): 327878440

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 23689, 47378, 94756, 118445, 189512, 236890, 307957, 402713, 473780, 615914, 805426, 947560, 1231828, 1539785, 1610852, 2013565, 2463656, 3079570, 3221704, 4027130, 5235269, 6159140, 8054260, 10470538, 12318280, 16108520, 20941076, 26176345, 41882152, 52352690, 104705380, 209410760]

約数ペア:

[(1, 209410760), (2, 104705380), (4, 52352690), (5, 41882152), (8, 26176345), (10, 20941076), (13, 16108520), (17, 12318280), (20, 10470538), (26, 8054260), (34, 6159140), (40, 5235269), (52, 4027130), (65, 3221704), (68, 3079570), (85, 2463656), (104, 2013565), (130, 1610852), (136, 1539785), (170, 1231828), (221, 947560), (260, 805426), (340, 615914), (442, 473780), (520, 402713), (680, 307957), (884, 236890), (1105, 189512), (1768, 118445), (2210, 94756), (4420, 47378), (8840, 23689)]