905891220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3833}}^1$

素因数の和:3962

約数の個数: 144

約数和(自身を含む): 2989323792

約数和(自身を除く): 2083432572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 101, 117, 130, 156, 180, 195, 202, 234, 260, 303, 390, 404, 468, 505, 585, 606, 780, 909, 1010, 1170, 1212, 1313, 1515, 1818, 2020, 2340, 2626, 3030, 3636, 3833, 3939, 4545, 5252, 6060, 6565, 7666, 7878, 9090, 11499, 11817, 13130, 15332, 15756, 18180, 19165, 19695, 22998, 23634, 26260, 34497, 38330, 39390, 45996, 47268, 49829, 57495, 59085, 68994, 76660, 78780, 99658, 114990, 118170, 137988, 149487, 172485, 199316, 229980, 236340, 249145, 298974, 344970, 387133, 448461, 498290, 597948, 689940, 747435, 774266, 896922, 996580, 1161399, 1494870, 1548532, 1793844, 1935665, 2242305, 2322798, 2989740, 3484197, 3871330, 4484610, 4645596, 5032729, 5806995, 6968394, 7742660, 8969220, 10065458, 11613990, 13936788, 15098187, 17420985, 20130916, 23227980, 25163645, 30196374, 34841970, 45294561, 50327290, 60392748, 69683940, 75490935, 90589122, 100654580, 150981870, 181178244, 226472805, 301963740, 452945610, 905891220]

約数ペア:

[(1, 905891220), (2, 452945610), (3, 301963740), (4, 226472805), (5, 181178244), (6, 150981870), (9, 100654580), (10, 90589122), (12, 75490935), (13, 69683940), (15, 60392748), (18, 50327290), (20, 45294561), (26, 34841970), (30, 30196374), (36, 25163645), (39, 23227980), (45, 20130916), (52, 17420985), (60, 15098187), (65, 13936788), (78, 11613990), (90, 10065458), (101, 8969220), (117, 7742660), (130, 6968394), (156, 5806995), (180, 5032729), (195, 4645596), (202, 4484610), (234, 3871330), (260, 3484197), (303, 2989740), (390, 2322798), (404, 2242305), (468, 1935665), (505, 1793844), (585, 1548532), (606, 1494870), (780, 1161399), (909, 996580), (1010, 896922), (1170, 774266), (1212, 747435), (1313, 689940), (1515, 597948), (1818, 498290), (2020, 448461), (2340, 387133), (2626, 344970), (3030, 298974), (3636, 249145), (3833, 236340), (3939, 229980), (4545, 199316), (5252, 172485), (6060, 149487), (6565, 137988), (7666, 118170), (7878, 114990), (9090, 99658), (11499, 78780), (11817, 76660), (13130, 68994), (15332, 59085), (15756, 57495), (18180, 49829), (19165, 47268), (19695, 45996), (22998, 39390), (23634, 38330), (26260, 34497)]