398789820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15493}}^1$

素因数の和:15532

約数の個数: 144

約数和(自身を含む): 1421233632

約数和(自身を除く): 1022443812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 15493, 25740, 30986, 46479, 61972, 77465, 92958, 139437, 154930, 170423, 185916, 201409, 232395, 278874, 309860, 340846, 402818, 464790, 511269, 557748, 604227, 681692, 697185, 805636, 852115, 929580, 1007045, 1022538, 1208454, 1394370, 1533807, 1704230, 1812681, 2014090, 2045076, 2215499, 2416908, 2556345, 2788740, 3021135, 3067614, 3408460, 3625362, 4028180, 4430998, 5112690, 6042270, 6135228, 6646497, 7250724, 7669035, 8861996, 9063405, 10225380, 11077495, 12084540, 13292994, 15338070, 18126810, 19939491, 22154990, 26585988, 30676140, 33232485, 36253620, 39878982, 44309980, 66464970, 79757964, 99697455, 132929940, 199394910, 398789820]

約数ペア:

[(1, 398789820), (2, 199394910), (3, 132929940), (4, 99697455), (5, 79757964), (6, 66464970), (9, 44309980), (10, 39878982), (11, 36253620), (12, 33232485), (13, 30676140), (15, 26585988), (18, 22154990), (20, 19939491), (22, 18126810), (26, 15338070), (30, 13292994), (33, 12084540), (36, 11077495), (39, 10225380), (44, 9063405), (45, 8861996), (52, 7669035), (55, 7250724), (60, 6646497), (65, 6135228), (66, 6042270), (78, 5112690), (90, 4430998), (99, 4028180), (110, 3625362), (117, 3408460), (130, 3067614), (132, 3021135), (143, 2788740), (156, 2556345), (165, 2416908), (180, 2215499), (195, 2045076), (198, 2014090), (220, 1812681), (234, 1704230), (260, 1533807), (286, 1394370), (330, 1208454), (390, 1022538), (396, 1007045), (429, 929580), (468, 852115), (495, 805636), (572, 697185), (585, 681692), (660, 604227), (715, 557748), (780, 511269), (858, 464790), (990, 402818), (1170, 340846), (1287, 309860), (1430, 278874), (1716, 232395), (1980, 201409), (2145, 185916), (2340, 170423), (2574, 154930), (2860, 139437), (4290, 92958), (5148, 77465), (6435, 61972), (8580, 46479), (12870, 30986), (15493, 25740)]