1897465960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2689}}^1$

素因数の和:2795

約数の個数: 128

約数和(自身を含む): 4880736000

約数和(自身を除く): 2983270040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 59, 65, 92, 104, 115, 118, 130, 184, 230, 236, 260, 295, 299, 460, 472, 520, 590, 598, 767, 920, 1180, 1196, 1357, 1495, 1534, 2360, 2392, 2689, 2714, 2990, 3068, 3835, 5378, 5428, 5980, 6136, 6785, 7670, 10756, 10856, 11960, 13445, 13570, 15340, 17641, 21512, 26890, 27140, 30680, 34957, 35282, 53780, 54280, 61847, 69914, 70564, 88205, 107560, 123694, 139828, 141128, 158651, 174785, 176410, 247388, 279656, 309235, 317302, 349570, 352820, 494776, 618470, 634604, 699140, 705640, 793255, 804011, 1236940, 1269208, 1398280, 1586510, 1608022, 2062463, 2473880, 3173020, 3216044, 3648973, 4020055, 4124926, 6346040, 6432088, 7297946, 8040110, 8249852, 10312315, 14595892, 16080220, 16499704, 18244865, 20624630, 29191784, 32160440, 36489730, 41249260, 47436649, 72979460, 82498520, 94873298, 145958920, 189746596, 237183245, 379493192, 474366490, 948732980, 1897465960]

約数ペア:

[(1, 1897465960), (2, 948732980), (4, 474366490), (5, 379493192), (8, 237183245), (10, 189746596), (13, 145958920), (20, 94873298), (23, 82498520), (26, 72979460), (40, 47436649), (46, 41249260), (52, 36489730), (59, 32160440), (65, 29191784), (92, 20624630), (104, 18244865), (115, 16499704), (118, 16080220), (130, 14595892), (184, 10312315), (230, 8249852), (236, 8040110), (260, 7297946), (295, 6432088), (299, 6346040), (460, 4124926), (472, 4020055), (520, 3648973), (590, 3216044), (598, 3173020), (767, 2473880), (920, 2062463), (1180, 1608022), (1196, 1586510), (1357, 1398280), (1495, 1269208), (1534, 1236940), (2360, 804011), (2392, 793255), (2689, 705640), (2714, 699140), (2990, 634604), (3068, 618470), (3835, 494776), (5378, 352820), (5428, 349570), (5980, 317302), (6136, 309235), (6785, 279656), (7670, 247388), (10756, 176410), (10856, 174785), (11960, 158651), (13445, 141128), (13570, 139828), (15340, 123694), (17641, 107560), (21512, 88205), (26890, 70564), (27140, 69914), (30680, 61847), (34957, 54280), (35282, 53780)]