2804149660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 6849499104

約数和(自身を除く): 4045349444

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 67, 68, 85, 130, 134, 170, 221, 260, 268, 289, 335, 340, 442, 557, 578, 670, 871, 884, 1105, 1114, 1139, 1156, 1340, 1445, 1742, 2210, 2228, 2278, 2785, 2890, 3484, 3757, 4355, 4420, 4556, 5570, 5695, 5780, 7241, 7514, 8710, 9469, 11140, 11390, 14482, 14807, 15028, 17420, 18785, 18938, 19363, 22780, 28964, 29614, 36205, 37319, 37570, 37876, 38726, 47345, 59228, 72410, 74035, 74638, 75140, 77452, 94690, 96815, 123097, 144820, 148070, 149276, 160973, 186595, 189380, 193630, 246194, 251719, 296140, 321946, 373190, 387260, 485147, 492388, 503438, 615485, 634423, 643892, 746380, 804865, 970294, 1006876, 1230970, 1258595, 1268846, 1609730, 1940588, 2092649, 2425735, 2461940, 2517190, 2537692, 3172115, 3219460, 4185298, 4851470, 5034380, 6344230, 8247499, 8370596, 9702940, 10463245, 10785191, 12688460, 16494998, 20926490, 21570382, 32989996, 41237495, 41852980, 43140764, 53925955, 82474990, 107851910, 140207483, 164949980, 215703820, 280414966, 560829932, 701037415, 1402074830, 2804149660]

約数ペア:

[(1, 2804149660), (2, 1402074830), (4, 701037415), (5, 560829932), (10, 280414966), (13, 215703820), (17, 164949980), (20, 140207483), (26, 107851910), (34, 82474990), (52, 53925955), (65, 43140764), (67, 41852980), (68, 41237495), (85, 32989996), (130, 21570382), (134, 20926490), (170, 16494998), (221, 12688460), (260, 10785191), (268, 10463245), (289, 9702940), (335, 8370596), (340, 8247499), (442, 6344230), (557, 5034380), (578, 4851470), (670, 4185298), (871, 3219460), (884, 3172115), (1105, 2537692), (1114, 2517190), (1139, 2461940), (1156, 2425735), (1340, 2092649), (1445, 1940588), (1742, 1609730), (2210, 1268846), (2228, 1258595), (2278, 1230970), (2785, 1006876), (2890, 970294), (3484, 804865), (3757, 746380), (4355, 643892), (4420, 634423), (4556, 615485), (5570, 503438), (5695, 492388), (5780, 485147), (7241, 387260), (7514, 373190), (8710, 321946), (9469, 296140), (11140, 251719), (11390, 246194), (14482, 193630), (14807, 189380), (15028, 186595), (17420, 160973), (18785, 149276), (18938, 148070), (19363, 144820), (22780, 123097), (28964, 96815), (29614, 94690), (36205, 77452), (37319, 75140), (37570, 74638), (37876, 74035), (38726, 72410), (47345, 59228)]