1778072500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 180

約数和(自身を含む): 4350332448

約数和(自身を除く): 2572259948

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 107, 115, 125, 170, 214, 230, 250, 289, 340, 391, 425, 428, 460, 500, 535, 575, 578, 625, 782, 850, 1070, 1150, 1156, 1250, 1445, 1564, 1700, 1819, 1955, 2125, 2140, 2300, 2461, 2500, 2675, 2875, 2890, 3638, 3910, 4250, 4922, 5350, 5750, 5780, 6647, 7225, 7276, 7820, 8500, 9095, 9775, 9844, 10625, 10700, 11500, 12305, 13294, 13375, 14375, 14450, 18190, 19550, 21250, 24610, 26588, 26750, 28750, 28900, 30923, 33235, 36125, 36380, 39100, 41837, 42500, 45475, 48875, 49220, 53500, 57500, 61525, 61846, 66470, 66875, 72250, 83674, 90950, 97750, 123050, 123692, 132940, 133750, 144500, 154615, 166175, 167348, 180625, 181900, 195500, 209185, 227375, 244375, 246100, 267500, 307625, 309230, 332350, 361250, 418370, 454750, 488750, 615250, 618460, 664700, 711229, 722500, 773075, 830875, 836740, 909500, 977500, 1045925, 1136875, 1230500, 1422458, 1538125, 1546150, 1661750, 2091850, 2273750, 2844916, 3076250, 3092300, 3323500, 3556145, 3865375, 4154375, 4183700, 4547500, 5229625, 6152500, 7112290, 7730750, 8308750, 10459250, 14224580, 15461500, 16617500, 17780725, 19326875, 20918500, 26148125, 35561450, 38653750, 52296250, 71122900, 77307500, 88903625, 104592500, 177807250, 355614500, 444518125, 889036250, 1778072500]

約数ペア:

[(1, 1778072500), (2, 889036250), (4, 444518125), (5, 355614500), (10, 177807250), (17, 104592500), (20, 88903625), (23, 77307500), (25, 71122900), (34, 52296250), (46, 38653750), (50, 35561450), (68, 26148125), (85, 20918500), (92, 19326875), (100, 17780725), (107, 16617500), (115, 15461500), (125, 14224580), (170, 10459250), (214, 8308750), (230, 7730750), (250, 7112290), (289, 6152500), (340, 5229625), (391, 4547500), (425, 4183700), (428, 4154375), (460, 3865375), (500, 3556145), (535, 3323500), (575, 3092300), (578, 3076250), (625, 2844916), (782, 2273750), (850, 2091850), (1070, 1661750), (1150, 1546150), (1156, 1538125), (1250, 1422458), (1445, 1230500), (1564, 1136875), (1700, 1045925), (1819, 977500), (1955, 909500), (2125, 836740), (2140, 830875), (2300, 773075), (2461, 722500), (2500, 711229), (2675, 664700), (2875, 618460), (2890, 615250), (3638, 488750), (3910, 454750), (4250, 418370), (4922, 361250), (5350, 332350), (5750, 309230), (5780, 307625), (6647, 267500), (7225, 246100), (7276, 244375), (7820, 227375), (8500, 209185), (9095, 195500), (9775, 181900), (9844, 180625), (10625, 167348), (10700, 166175), (11500, 154615), (12305, 144500), (13294, 133750), (13375, 132940), (14375, 123692), (14450, 123050), (18190, 97750), (19550, 90950), (21250, 83674), (24610, 72250), (26588, 66875), (26750, 66470), (28750, 61846), (28900, 61525), (30923, 57500), (33235, 53500), (36125, 49220), (36380, 48875), (39100, 45475), (41837, 42500)]