245549020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 568814400

約数和(自身を除く): 323265380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 131, 148, 149, 170, 185, 262, 298, 340, 370, 524, 596, 629, 655, 740, 745, 1258, 1310, 1490, 2227, 2516, 2533, 2620, 2980, 3145, 4454, 4847, 5066, 5513, 6290, 8908, 9694, 10132, 11026, 11135, 12580, 12665, 19388, 19519, 22052, 22270, 24235, 25330, 27565, 39038, 44540, 48470, 50660, 55130, 78076, 82399, 93721, 96940, 97595, 110260, 164798, 187442, 195190, 329596, 331823, 374884, 390380, 411995, 468605, 663646, 722203, 823990, 937210, 1327292, 1444406, 1647980, 1659115, 1874420, 2888812, 3318230, 3611015, 6636460, 7222030, 12277451, 14444060, 24554902, 49109804, 61387255, 122774510, 245549020]

約数ペア:

[(1, 245549020), (2, 122774510), (4, 61387255), (5, 49109804), (10, 24554902), (17, 14444060), (20, 12277451), (34, 7222030), (37, 6636460), (68, 3611015), (74, 3318230), (85, 2888812), (131, 1874420), (148, 1659115), (149, 1647980), (170, 1444406), (185, 1327292), (262, 937210), (298, 823990), (340, 722203), (370, 663646), (524, 468605), (596, 411995), (629, 390380), (655, 374884), (740, 331823), (745, 329596), (1258, 195190), (1310, 187442), (1490, 164798), (2227, 110260), (2516, 97595), (2533, 96940), (2620, 93721), (2980, 82399), (3145, 78076), (4454, 55130), (4847, 50660), (5066, 48470), (5513, 44540), (6290, 39038), (8908, 27565), (9694, 25330), (10132, 24235), (11026, 22270), (11135, 22052), (12580, 19519), (12665, 19388)]