201979890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18859}}^1$

素因数の和:18896

約数の個数: 96

約数和(自身を含む): 635506560

約数和(自身を除く): 433526670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2142, 3570, 5355, 10710, 18859, 37718, 56577, 94295, 113154, 132013, 169731, 188590, 264026, 282885, 320603, 339462, 396039, 565770, 641206, 660065, 792078, 848655, 961809, 1188117, 1320130, 1603015, 1697310, 1923618, 1980195, 2244221, 2376234, 2885427, 3206030, 3960390, 4488442, 4809045, 5770854, 5940585, 6732663, 9618090, 11221105, 11881170, 13465326, 14427135, 20197989, 22442210, 28854270, 33663315, 40395978, 67326630, 100989945, 201979890]

約数ペア:

[(1, 201979890), (2, 100989945), (3, 67326630), (5, 40395978), (6, 33663315), (7, 28854270), (9, 22442210), (10, 20197989), (14, 14427135), (15, 13465326), (17, 11881170), (18, 11221105), (21, 9618090), (30, 6732663), (34, 5940585), (35, 5770854), (42, 4809045), (45, 4488442), (51, 3960390), (63, 3206030), (70, 2885427), (85, 2376234), (90, 2244221), (102, 1980195), (105, 1923618), (119, 1697310), (126, 1603015), (153, 1320130), (170, 1188117), (210, 961809), (238, 848655), (255, 792078), (306, 660065), (315, 641206), (357, 565770), (510, 396039), (595, 339462), (630, 320603), (714, 282885), (765, 264026), (1071, 188590), (1190, 169731), (1530, 132013), (1785, 113154), (2142, 94295), (3570, 56577), (5355, 37718), (10710, 18859)]