156949951220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{653033}}^1$

素因数の和:653300

約数の個数: 48

約数和(自身を含む): 336699106128

約数和(自身を除く): 179749154908

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 197, 244, 305, 394, 610, 788, 985, 1220, 1970, 3940, 12017, 24034, 48068, 60085, 120170, 240340, 653033, 1306066, 2612132, 3265165, 6530330, 13060660, 39835013, 79670026, 128647501, 159340052, 199175065, 257295002, 398350130, 514590004, 643237505, 796700260, 1286475010, 2572950020, 7847497561, 15694995122, 31389990244, 39237487805, 78474975610, 156949951220]

約数ペア:

[(1, 156949951220), (2, 78474975610), (4, 39237487805), (5, 31389990244), (10, 15694995122), (20, 7847497561), (61, 2572950020), (122, 1286475010), (197, 796700260), (244, 643237505), (305, 514590004), (394, 398350130), (610, 257295002), (788, 199175065), (985, 159340052), (1220, 128647501), (1970, 79670026), (3940, 39835013), (12017, 13060660), (24034, 6530330), (48068, 3265165), (60085, 2612132), (120170, 1306066), (240340, 653033)]