1900984904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{17293}}^1$

素因数の和:17470

約数の個数: 64

約数和(自身を含む): 4416195840

約数和(自身を除く): 2515210936

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 151, 182, 302, 364, 604, 728, 1057, 1208, 1963, 2114, 3926, 4228, 7852, 8456, 13741, 15704, 17293, 27482, 34586, 54964, 69172, 109928, 121051, 138344, 224809, 242102, 449618, 484204, 899236, 968408, 1573663, 1798472, 2611243, 3147326, 5222486, 6294652, 10444972, 12589304, 18278701, 20889944, 33946159, 36557402, 67892318, 73114804, 135784636, 146229608, 237623113, 271569272, 475246226, 950492452, 1900984904]

約数ペア:

[(1, 1900984904), (2, 950492452), (4, 475246226), (7, 271569272), (8, 237623113), (13, 146229608), (14, 135784636), (26, 73114804), (28, 67892318), (52, 36557402), (56, 33946159), (91, 20889944), (104, 18278701), (151, 12589304), (182, 10444972), (302, 6294652), (364, 5222486), (604, 3147326), (728, 2611243), (1057, 1798472), (1208, 1573663), (1963, 968408), (2114, 899236), (3926, 484204), (4228, 449618), (7852, 242102), (8456, 224809), (13741, 138344), (15704, 121051), (17293, 109928), (27482, 69172), (34586, 54964)]