128702860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4091}}^1$

素因数の和:4135

約数の個数: 72

約数和(自身を含む): 320010768

約数和(自身を除く): 191307908

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 4091, 6292, 7865, 8182, 15730, 16364, 20455, 31460, 40910, 45001, 53183, 81820, 90002, 106366, 180004, 212732, 225005, 265915, 450010, 495011, 531830, 585013, 900020, 990022, 1063660, 1170026, 1980044, 2340052, 2475055, 2925065, 4950110, 5850130, 6435143, 9900220, 11700260, 12870286, 25740572, 32175715, 64351430, 128702860]

約数ペア:

[(1, 128702860), (2, 64351430), (4, 32175715), (5, 25740572), (10, 12870286), (11, 11700260), (13, 9900220), (20, 6435143), (22, 5850130), (26, 4950110), (44, 2925065), (52, 2475055), (55, 2340052), (65, 1980044), (110, 1170026), (121, 1063660), (130, 990022), (143, 900020), (220, 585013), (242, 531830), (260, 495011), (286, 450010), (484, 265915), (572, 225005), (605, 212732), (715, 180004), (1210, 106366), (1430, 90002), (1573, 81820), (2420, 53183), (2860, 45001), (3146, 40910), (4091, 31460), (6292, 20455), (7865, 16364), (8182, 15730)]