91172900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 250233984

約数和(自身を除く): 159061084

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 43, 50, 52, 65, 70, 86, 91, 100, 130, 140, 172, 175, 182, 215, 233, 260, 301, 325, 350, 364, 430, 455, 466, 559, 602, 650, 700, 860, 910, 932, 1075, 1118, 1165, 1204, 1300, 1505, 1631, 1820, 2150, 2236, 2275, 2330, 2795, 3010, 3029, 3262, 3913, 4300, 4550, 4660, 5590, 5825, 6020, 6058, 6524, 7525, 7826, 8155, 9100, 10019, 11180, 11650, 12116, 13975, 15050, 15145, 15652, 16310, 19565, 20038, 21203, 23300, 27950, 30100, 30290, 32620, 39130, 40076, 40775, 42406, 50095, 55900, 60580, 70133, 75725, 78260, 81550, 84812, 97825, 100190, 106015, 130247, 140266, 151450, 163100, 195650, 200380, 212030, 250475, 260494, 280532, 302900, 350665, 391300, 424060, 500950, 520988, 530075, 651235, 701330, 911729, 1001900, 1060150, 1302470, 1402660, 1753325, 1823458, 2120300, 2604940, 3256175, 3506650, 3646916, 4558645, 6512350, 7013300, 9117290, 13024700, 18234580, 22793225, 45586450, 91172900]

約数ペア:

[(1, 91172900), (2, 45586450), (4, 22793225), (5, 18234580), (7, 13024700), (10, 9117290), (13, 7013300), (14, 6512350), (20, 4558645), (25, 3646916), (26, 3506650), (28, 3256175), (35, 2604940), (43, 2120300), (50, 1823458), (52, 1753325), (65, 1402660), (70, 1302470), (86, 1060150), (91, 1001900), (100, 911729), (130, 701330), (140, 651235), (172, 530075), (175, 520988), (182, 500950), (215, 424060), (233, 391300), (260, 350665), (301, 302900), (325, 280532), (350, 260494), (364, 250475), (430, 212030), (455, 200380), (466, 195650), (559, 163100), (602, 151450), (650, 140266), (700, 130247), (860, 106015), (910, 100190), (932, 97825), (1075, 84812), (1118, 81550), (1165, 78260), (1204, 75725), (1300, 70133), (1505, 60580), (1631, 55900), (1820, 50095), (2150, 42406), (2236, 40775), (2275, 40076), (2330, 39130), (2795, 32620), (3010, 30290), (3029, 30100), (3262, 27950), (3913, 23300), (4300, 21203), (4550, 20038), (4660, 19565), (5590, 16310), (5825, 15652), (6020, 15145), (6058, 15050), (6524, 13975), (7525, 12116), (7826, 11650), (8155, 11180), (9100, 10019)]