2019194450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{63397}}^1$

素因数の和:63436

約数の個数: 72

約数和(自身を含む): 4705019172

約数和(自身を除く): 2685824722

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 1225, 1274, 2275, 2450, 3185, 4550, 6370, 15925, 31850, 63397, 126794, 316985, 443779, 633970, 824161, 887558, 1584925, 1648322, 2218895, 3106453, 3169850, 4120805, 4437790, 5769127, 6212906, 8241610, 11094475, 11538254, 15532265, 20604025, 22188950, 28845635, 31064530, 40383889, 41208050, 57691270, 77661325, 80767778, 144228175, 155322650, 201919445, 288456350, 403838890, 1009597225, 2019194450]

約数ペア:

[(1, 2019194450), (2, 1009597225), (5, 403838890), (7, 288456350), (10, 201919445), (13, 155322650), (14, 144228175), (25, 80767778), (26, 77661325), (35, 57691270), (49, 41208050), (50, 40383889), (65, 31064530), (70, 28845635), (91, 22188950), (98, 20604025), (130, 15532265), (175, 11538254), (182, 11094475), (245, 8241610), (325, 6212906), (350, 5769127), (455, 4437790), (490, 4120805), (637, 3169850), (650, 3106453), (910, 2218895), (1225, 1648322), (1274, 1584925), (2275, 887558), (2450, 824161), (3185, 633970), (4550, 443779), (6370, 316985), (15925, 126794), (31850, 63397)]