84106540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4517}}^1$

素因数の和:4559

約数の個数: 72

約数和(自身を含む): 216321840

約数和(自身を除く): 132215300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4517, 4655, 9034, 9310, 18068, 18620, 22585, 31619, 45170, 63238, 85823, 90340, 126476, 158095, 171646, 221333, 316190, 343292, 429115, 442666, 600761, 632380, 858230, 885332, 1106665, 1201522, 1716460, 2213330, 2403044, 3003805, 4205327, 4426660, 6007610, 8410654, 12015220, 16821308, 21026635, 42053270, 84106540]

約数ペア:

[(1, 84106540), (2, 42053270), (4, 21026635), (5, 16821308), (7, 12015220), (10, 8410654), (14, 6007610), (19, 4426660), (20, 4205327), (28, 3003805), (35, 2403044), (38, 2213330), (49, 1716460), (70, 1201522), (76, 1106665), (95, 885332), (98, 858230), (133, 632380), (140, 600761), (190, 442666), (196, 429115), (245, 343292), (266, 316190), (380, 221333), (490, 171646), (532, 158095), (665, 126476), (931, 90340), (980, 85823), (1330, 63238), (1862, 45170), (2660, 31619), (3724, 22585), (4517, 18620), (4655, 18068), (9034, 9310)]