203419151720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1\times {\mathrm{81901}}^1$

素因数の和:83946

約数の個数: 64

約数和(自身を含む): 472699031040

約数和(自身を除く): 269279879320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2003, 4006, 8012, 10015, 16024, 20030, 40060, 62093, 80120, 81901, 124186, 163802, 248372, 310465, 327604, 409505, 496744, 620930, 655208, 819010, 1241860, 1638020, 2483720, 2538931, 3276040, 5077862, 10155724, 12694655, 20311448, 25389310, 50778620, 101557240, 164047703, 328095406, 656190812, 820238515, 1312381624, 1640477030, 3280954060, 5085478793, 6561908120, 10170957586, 20341915172, 25427393965, 40683830344, 50854787930, 101709575860, 203419151720]

約数ペア:

[(1, 203419151720), (2, 101709575860), (4, 50854787930), (5, 40683830344), (8, 25427393965), (10, 20341915172), (20, 10170957586), (31, 6561908120), (40, 5085478793), (62, 3280954060), (124, 1640477030), (155, 1312381624), (248, 820238515), (310, 656190812), (620, 328095406), (1240, 164047703), (2003, 101557240), (4006, 50778620), (8012, 25389310), (10015, 20311448), (16024, 12694655), (20030, 10155724), (40060, 5077862), (62093, 3276040), (80120, 2538931), (81901, 2483720), (124186, 1638020), (163802, 1241860), (248372, 819010), (310465, 655208), (327604, 620930), (409505, 496744)]