917778847540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{64151}}^1$

素因数の和:64513

約数の個数: 96

約数和(自身を含む): 2009794913280

約数和(自身を除く): 1092016065740

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 239, 292, 365, 410, 478, 730, 820, 956, 1195, 1460, 2390, 2993, 4780, 5986, 9799, 11972, 14965, 17447, 19598, 29930, 34894, 39196, 48995, 59860, 64151, 69788, 87235, 97990, 128302, 174470, 195980, 256604, 320755, 348940, 641510, 715327, 1283020, 1430654, 2630191, 2861308, 3576635, 4683023, 5260382, 7153270, 9366046, 10520764, 13150955, 14306540, 15332089, 18732092, 23415115, 26301910, 30664178, 46830230, 52603820, 61328356, 76660445, 93660460, 153320890, 192003943, 306641780, 384007886, 628615649, 768015772, 960019715, 1119242497, 1257231298, 1920039430, 2238484994, 2514462596, 3143078245, 3840078860, 4476969988, 5596212485, 6286156490, 11192424970, 12572312980, 22384849940, 45888942377, 91777884754, 183555769508, 229444711885, 458889423770, 917778847540]

約数ペア:

[(1, 917778847540), (2, 458889423770), (4, 229444711885), (5, 183555769508), (10, 91777884754), (20, 45888942377), (41, 22384849940), (73, 12572312980), (82, 11192424970), (146, 6286156490), (164, 5596212485), (205, 4476969988), (239, 3840078860), (292, 3143078245), (365, 2514462596), (410, 2238484994), (478, 1920039430), (730, 1257231298), (820, 1119242497), (956, 960019715), (1195, 768015772), (1460, 628615649), (2390, 384007886), (2993, 306641780), (4780, 192003943), (5986, 153320890), (9799, 93660460), (11972, 76660445), (14965, 61328356), (17447, 52603820), (19598, 46830230), (29930, 30664178), (34894, 26301910), (39196, 23415115), (48995, 18732092), (59860, 15332089), (64151, 14306540), (69788, 13150955), (87235, 10520764), (97990, 9366046), (128302, 7153270), (174470, 5260382), (195980, 4683023), (256604, 3576635), (320755, 2861308), (348940, 2630191), (641510, 1430654), (715327, 1283020)]