2141234225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 3019306752

約数和(自身を除く): 878072527

約数列:

[1, 5, 13, 25, 41, 47, 65, 169, 205, 235, 263, 325, 533, 611, 845, 1025, 1175, 1315, 1927, 2665, 3055, 3419, 4225, 6575, 6929, 7943, 9635, 10783, 12361, 13325, 15275, 17095, 25051, 34645, 39715, 44447, 48175, 53915, 61805, 85475, 125255, 140179, 160693, 173225, 198575, 222235, 269575, 309025, 325663, 506801, 626275, 700895, 803465, 1111175, 1628315, 1822327, 2089009, 2534005, 3504475, 4017325, 6588413, 8141575, 9111635, 10445045, 12670025, 32942065, 45558175, 52225225, 85649369, 164710325, 428246845, 2141234225]

約数ペア:

[(1, 2141234225), (5, 428246845), (13, 164710325), (25, 85649369), (41, 52225225), (47, 45558175), (65, 32942065), (169, 12670025), (205, 10445045), (235, 9111635), (263, 8141575), (325, 6588413), (533, 4017325), (611, 3504475), (845, 2534005), (1025, 2089009), (1175, 1822327), (1315, 1628315), (1927, 1111175), (2665, 803465), (3055, 700895), (3419, 626275), (4225, 506801), (6575, 325663), (6929, 309025), (7943, 269575), (9635, 222235), (10783, 198575), (12361, 173225), (13325, 160693), (15275, 140179), (17095, 125255), (25051, 85475), (34645, 61805), (39715, 53915), (44447, 48175)]