196321840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^2$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 540371664

約数和(自身を除く): 344049824

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 131, 143, 176, 208, 220, 260, 262, 286, 440, 520, 524, 572, 655, 715, 880, 1040, 1048, 1144, 1310, 1430, 1441, 1703, 2096, 2288, 2620, 2860, 2882, 3406, 5240, 5720, 5764, 6812, 7205, 8515, 10480, 11440, 11528, 13624, 14410, 17030, 17161, 18733, 23056, 27248, 28820, 34060, 34322, 37466, 57640, 68120, 68644, 74932, 85805, 93665, 115280, 136240, 137288, 149864, 171610, 187330, 188771, 223093, 274576, 299728, 343220, 374660, 377542, 446186, 686440, 749320, 755084, 892372, 943855, 1115465, 1372880, 1498640, 1510168, 1784744, 1887710, 2230930, 2454023, 3020336, 3569488, 3775420, 4461860, 4908046, 7550840, 8923720, 9816092, 12270115, 15101680, 17847440, 19632184, 24540230, 39264368, 49080460, 98160920, 196321840]

約数ペア:

[(1, 196321840), (2, 98160920), (4, 49080460), (5, 39264368), (8, 24540230), (10, 19632184), (11, 17847440), (13, 15101680), (16, 12270115), (20, 9816092), (22, 8923720), (26, 7550840), (40, 4908046), (44, 4461860), (52, 3775420), (55, 3569488), (65, 3020336), (80, 2454023), (88, 2230930), (104, 1887710), (110, 1784744), (130, 1510168), (131, 1498640), (143, 1372880), (176, 1115465), (208, 943855), (220, 892372), (260, 755084), (262, 749320), (286, 686440), (440, 446186), (520, 377542), (524, 374660), (572, 343220), (655, 299728), (715, 274576), (880, 223093), (1040, 188771), (1048, 187330), (1144, 171610), (1310, 149864), (1430, 137288), (1441, 136240), (1703, 115280), (2096, 93665), (2288, 85805), (2620, 74932), (2860, 68644), (2882, 68120), (3406, 57640), (5240, 37466), (5720, 34322), (5764, 34060), (6812, 28820), (7205, 27248), (8515, 23056), (10480, 18733), (11440, 17161), (11528, 17030), (13624, 14410)]