401044210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 915701760

約数和(自身を除く): 514657550

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 71, 95, 133, 137, 142, 155, 190, 217, 266, 274, 310, 355, 434, 497, 589, 665, 685, 710, 959, 994, 1085, 1178, 1330, 1349, 1370, 1918, 2170, 2201, 2485, 2603, 2698, 2945, 4123, 4247, 4402, 4795, 4970, 5206, 5890, 6745, 8246, 8494, 9443, 9590, 9727, 11005, 13015, 13490, 15407, 18221, 18886, 19454, 20615, 21235, 22010, 26030, 29729, 30814, 36442, 41230, 41819, 42470, 47215, 48635, 59458, 68089, 77035, 80693, 83638, 91105, 94430, 97270, 136178, 148645, 154070, 161386, 182210, 184813, 209095, 292733, 297290, 301537, 340445, 369626, 403465, 418190, 564851, 585466, 603074, 680890, 806930, 924065, 1129702, 1293691, 1463665, 1507685, 1848130, 2110759, 2587382, 2824255, 2927330, 3015370, 4221518, 5648510, 5729203, 6468455, 10553795, 11458406, 12936910, 21107590, 28646015, 40104421, 57292030, 80208842, 200522105, 401044210]

約数ペア:

[(1, 401044210), (2, 200522105), (5, 80208842), (7, 57292030), (10, 40104421), (14, 28646015), (19, 21107590), (31, 12936910), (35, 11458406), (38, 10553795), (62, 6468455), (70, 5729203), (71, 5648510), (95, 4221518), (133, 3015370), (137, 2927330), (142, 2824255), (155, 2587382), (190, 2110759), (217, 1848130), (266, 1507685), (274, 1463665), (310, 1293691), (355, 1129702), (434, 924065), (497, 806930), (589, 680890), (665, 603074), (685, 585466), (710, 564851), (959, 418190), (994, 403465), (1085, 369626), (1178, 340445), (1330, 301537), (1349, 297290), (1370, 292733), (1918, 209095), (2170, 184813), (2201, 182210), (2485, 161386), (2603, 154070), (2698, 148645), (2945, 136178), (4123, 97270), (4247, 94430), (4402, 91105), (4795, 83638), (4970, 80693), (5206, 77035), (5890, 68089), (6745, 59458), (8246, 48635), (8494, 47215), (9443, 42470), (9590, 41819), (9727, 41230), (11005, 36442), (13015, 30814), (13490, 29729), (15407, 26030), (18221, 22010), (18886, 21235), (19454, 20615)]